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Finding the Fourth Proportional to 191,842.29, 287,753.18 and 58,722.62

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Solution

The fourth proportional to 191,842.29, 287,753.18 and 58,722.62 is: 88,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,842.29 : 287,753.18 = 58,722.62 : x
  2. Step 2: Convert to fraction form
    191,842.29/287,753.18 = 58,722.62/x
  3. Step 3: Cross multiply
    191,842.29x = 287,753.18 × 58,722.62
  4. Step 4: Simplify right side
    191,842.29x = 16,897,618,910.55
  5. Step 5: Solve for x
    x = 16,897,618,910.55/191,842.29
  6. Step 6: Final answer
    x = 88,080.78

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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.