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Finding the Fourth Proportional to 270,899.92, 406,376.61 and 93,383.56

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Solution

The fourth proportional to 270,899.92, 406,376.61 and 93,383.56 is: 140,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,899.92 : 406,376.61 = 93,383.56 : x
  2. Step 2: Convert to fraction form
    270,899.92/406,376.61 = 93,383.56/x
  3. Step 3: Cross multiply
    270,899.92x = 406,376.61 × 93,383.56
  4. Step 4: Simplify right side
    270,899.92x = 37,948,894,542.53
  5. Step 5: Solve for x
    x = 37,948,894,542.53/270,899.92
  6. Step 6: Final answer
    x = 140,084.55

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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.