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Finding the Fourth Proportional to 79,760.97, 119,582.10 and 34,773.84

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Solution

The fourth proportional to 79,760.97, 119,582.10 and 34,773.84 is: 52,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,760.97 : 119,582.10 = 34,773.84 : x
  2. Step 2: Convert to fraction form
    79,760.97/119,582.10 = 34,773.84/x
  3. Step 3: Cross multiply
    79,760.97x = 119,582.10 × 34,773.84
  4. Step 4: Simplify right side
    79,760.97x = 4,158,328,812.26
  5. Step 5: Solve for x
    x = 4,158,328,812.26/79,760.97
  6. Step 6: Final answer
    x = 52,134.88

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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.