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Finding the Fourth Proportional to 113,737.57, 157,008.17 and 73,470.95

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Solution

The fourth proportional to 113,737.57, 157,008.17 and 73,470.95 is: 101,422.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,737.57 : 157,008.17 = 73,470.95 : x
  2. Step 2: Convert to fraction form
    113,737.57/157,008.17 = 73,470.95/x
  3. Step 3: Cross multiply
    113,737.57x = 157,008.17 × 73,470.95
  4. Step 4: Simplify right side
    113,737.57x = 11,535,539,395.08
  5. Step 5: Solve for x
    x = 11,535,539,395.08/113,737.57
  6. Step 6: Final answer
    x = 101,422.42

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1.5x scale

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.