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Finding the Fourth Proportional to 240,315.42, 360,469.17 and 71,836.14

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Solution

The fourth proportional to 240,315.42, 360,469.17 and 71,836.14 is: 107,753.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,315.42 : 360,469.17 = 71,836.14 : x
  2. Step 2: Convert to fraction form
    240,315.42/360,469.17 = 71,836.14/x
  3. Step 3: Cross multiply
    240,315.42x = 360,469.17 × 71,836.14
  4. Step 4: Simplify right side
    240,315.42x = 25,894,713,761.80
  5. Step 5: Solve for x
    x = 25,894,713,761.80/240,315.42
  6. Step 6: Final answer
    x = 107,753.03

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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.