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Finding the Fourth Proportional to 240,744.86, 361,073.52 and 72,225.56

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Solution

The fourth proportional to 240,744.86, 361,073.52 and 72,225.56 is: 108,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,744.86 : 361,073.52 = 72,225.56 : x
  2. Step 2: Convert to fraction form
    240,744.86/361,073.52 = 72,225.56/x
  3. Step 3: Cross multiply
    240,744.86x = 361,073.52 × 72,225.56
  4. Step 4: Simplify right side
    240,744.86x = 26,078,737,183.17
  5. Step 5: Solve for x
    x = 26,078,737,183.17/240,744.86
  6. Step 6: Final answer
    x = 108,325.21

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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.