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Finding the Fourth Proportional to 115,752.70, 173,629.05 and 101,467.90

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Solution

The fourth proportional to 115,752.70, 173,629.05 and 101,467.90 is: 152,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,752.70 : 173,629.05 = 101,467.90 : x
  2. Step 2: Convert to fraction form
    115,752.70/173,629.05 = 101,467.90/x
  3. Step 3: Cross multiply
    115,752.70x = 173,629.05 × 101,467.90
  4. Step 4: Simplify right side
    115,752.70x = 17,617,775,082.50
  5. Step 5: Solve for x
    x = 17,617,775,082.50/115,752.70
  6. Step 6: Final answer
    x = 152,201.85

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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.