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Finding the Fourth Proportional to 113,099.92, 169,531.76 and 38,194.12

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Solution

The fourth proportional to 113,099.92, 169,531.76 and 38,194.12 is: 57,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,099.92 : 169,531.76 = 38,194.12 : x
  2. Step 2: Convert to fraction form
    113,099.92/169,531.76 = 38,194.12/x
  3. Step 3: Cross multiply
    113,099.92x = 169,531.76 × 38,194.12
  4. Step 4: Simplify right side
    113,099.92x = 6,475,116,385.25
  5. Step 5: Solve for x
    x = 6,475,116,385.25/113,099.92
  6. Step 6: Final answer
    x = 57,251.29

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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.