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Finding the Fourth Proportional to 115,329,258,045.90, 172,993,887,068.85 and 115,329,258,045.90

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Solution

The fourth proportional to 115,329,258,045.90, 172,993,887,068.85 and 115,329,258,045.90 is: 172,993,887,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,329,258,045.90 : 172,993,887,068.85 = 115,329,258,045.90 : x
  2. Step 2: Convert to fraction form
    115,329,258,045.90/172,993,887,068.85 = 115,329,258,045.90/x
  3. Step 3: Cross multiply
    115,329,258,045.90x = 172,993,887,068.85 × 115,329,258,045.90
  4. Step 4: Simplify right side
    115,329,258,045.90x = 19,951,256,642,126,683,832,320
  5. Step 5: Solve for x
    x = 19,951,256,642,126,683,832,320/115,329,258,045.90
  6. Step 6: Final answer
    x = 172,993,887,068.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.