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Finding the Fourth Proportional to 162,901.92, 224,781.84 and 91,276.32

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Solution

The fourth proportional to 162,901.92, 224,781.84 and 91,276.32 is: 125,948.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,901.92 : 224,781.84 = 91,276.32 : x
  2. Step 2: Convert to fraction form
    162,901.92/224,781.84 = 91,276.32/x
  3. Step 3: Cross multiply
    162,901.92x = 224,781.84 × 91,276.32
  4. Step 4: Simplify right side
    162,901.92x = 20,517,259,158.03
  5. Step 5: Solve for x
    x = 20,517,259,158.03/162,901.92
  6. Step 6: Final answer
    x = 125,948.54

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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.