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Finding the Fourth Proportional to 91,732.60, 137,534.10 and 41,836.60

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Solution

The fourth proportional to 91,732.60, 137,534.10 and 41,836.60 is: 62,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,732.60 : 137,534.10 = 41,836.60 : x
  2. Step 2: Convert to fraction form
    91,732.60/137,534.10 = 41,836.60/x
  3. Step 3: Cross multiply
    91,732.60x = 137,534.10 × 41,836.60
  4. Step 4: Simplify right side
    91,732.60x = 5,753,959,128.06
  5. Step 5: Solve for x
    x = 5,753,959,128.06/91,732.60
  6. Step 6: Final answer
    x = 62,725.35

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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.