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Finding the Fourth Proportional to 157,147.71, 216,854.46 and 88,232.10

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Solution

The fourth proportional to 157,147.71, 216,854.46 and 88,232.10 is: 121,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,147.71 : 216,854.46 = 88,232.10 : x
  2. Step 2: Convert to fraction form
    157,147.71/216,854.46 = 88,232.10/x
  3. Step 3: Cross multiply
    157,147.71x = 216,854.46 × 88,232.10
  4. Step 4: Simplify right side
    157,147.71x = 19,133,524,400.17
  5. Step 5: Solve for x
    x = 19,133,524,400.17/157,147.71
  6. Step 6: Final answer
    x = 121,755.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.