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Finding the Fourth Proportional to 101,363.20, 152,001.04 and 38,990.08

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Solution

The fourth proportional to 101,363.20, 152,001.04 and 38,990.08 is: 58,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,363.20 : 152,001.04 = 38,990.08 : x
  2. Step 2: Convert to fraction form
    101,363.20/152,001.04 = 38,990.08/x
  3. Step 3: Cross multiply
    101,363.20x = 152,001.04 × 38,990.08
  4. Step 4: Simplify right side
    101,363.20x = 5,926,532,709.68
  5. Step 5: Solve for x
    x = 5,926,532,709.68/101,363.20
  6. Step 6: Final answer
    x = 58,468.29

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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.