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Finding the Fourth Proportional to 185,981.38, 256,654.08 and 101,099.08

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Solution

The fourth proportional to 185,981.38, 256,654.08 and 101,099.08 is: 139,516.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,981.38 : 256,654.08 = 101,099.08 : x
  2. Step 2: Convert to fraction form
    185,981.38/256,654.08 = 101,099.08/x
  3. Step 3: Cross multiply
    185,981.38x = 256,654.08 × 101,099.08
  4. Step 4: Simplify right side
    185,981.38x = 25,947,491,366.25
  5. Step 5: Solve for x
    x = 25,947,491,366.25/185,981.38
  6. Step 6: Final answer
    x = 139,516.61

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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.