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Finding the Fourth Proportional to 100,580.38, 150,654.59 and 94,691.88

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Solution

The fourth proportional to 100,580.38, 150,654.59 and 94,691.88 is: 141,834.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,580.38 : 150,654.59 = 94,691.88 : x
  2. Step 2: Convert to fraction form
    100,580.38/150,654.59 = 94,691.88/x
  3. Step 3: Cross multiply
    100,580.38x = 150,654.59 × 94,691.88
  4. Step 4: Simplify right side
    100,580.38x = 14,265,766,357.73
  5. Step 5: Solve for x
    x = 14,265,766,357.73/100,580.38
  6. Step 6: Final answer
    x = 141,834.48

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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.