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Finding the Fourth Proportional to 240,747.88, 361,120.92 and 72,267.48

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Solution

The fourth proportional to 240,747.88, 361,120.92 and 72,267.48 is: 108,400.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,747.88 : 361,120.92 = 72,267.48 : x
  2. Step 2: Convert to fraction form
    240,747.88/361,120.92 = 72,267.48/x
  3. Step 3: Cross multiply
    240,747.88x = 361,120.92 × 72,267.48
  4. Step 4: Simplify right side
    240,747.88x = 26,097,298,863.68
  5. Step 5: Solve for x
    x = 26,097,298,863.68/240,747.88
  6. Step 6: Final answer
    x = 108,400.95

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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.