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Finding the Fourth Proportional to 136,601.71, 204,902.57 and 43,114.75

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Solution

The fourth proportional to 136,601.71, 204,902.57 and 43,114.75 is: 64,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,601.71 : 204,902.57 = 43,114.75 : x
  2. Step 2: Convert to fraction form
    136,601.71/204,902.57 = 43,114.75/x
  3. Step 3: Cross multiply
    136,601.71x = 204,902.57 × 43,114.75
  4. Step 4: Simplify right side
    136,601.71x = 8,834,323,079.91
  5. Step 5: Solve for x
    x = 8,834,323,079.91/136,601.71
  6. Step 6: Final answer
    x = 64,672.13

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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.