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Finding the Fourth Proportional to 38,965,616.10, 54,671,301.90 and 38,965,616.10

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Solution

The fourth proportional to 38,965,616.10, 54,671,301.90 and 38,965,616.10 is: 54,671,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,965,616.10 : 54,671,301.90 = 38,965,616.10 : x
  2. Step 2: Convert to fraction form
    38,965,616.10/54,671,301.90 = 38,965,616.10/x
  3. Step 3: Cross multiply
    38,965,616.10x = 54,671,301.90 × 38,965,616.10
  4. Step 4: Simplify right side
    38,965,616.10x = 2,130,300,961,522,600.50
  5. Step 5: Solve for x
    x = 2,130,300,961,522,600.50/38,965,616.10
  6. Step 6: Final answer
    x = 54,671,301.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.