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Finding the Fourth Proportional to 242,882.89, 364,348.61 and 74,401.27

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Solution

The fourth proportional to 242,882.89, 364,348.61 and 74,401.27 is: 111,609.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,882.89 : 364,348.61 = 74,401.27 : x
  2. Step 2: Convert to fraction form
    242,882.89/364,348.61 = 74,401.27/x
  3. Step 3: Cross multiply
    242,882.89x = 364,348.61 × 74,401.27
  4. Step 4: Simplify right side
    242,882.89x = 27,107,999,306.73
  5. Step 5: Solve for x
    x = 27,107,999,306.73/242,882.89
  6. Step 6: Final answer
    x = 111,609.34

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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.