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Finding the Fourth Proportional to 240,713.73, 361,074.68 and 91,024.92

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Solution

The fourth proportional to 240,713.73, 361,074.68 and 91,024.92 is: 136,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,713.73 : 361,074.68 = 91,024.92 : x
  2. Step 2: Convert to fraction form
    240,713.73/361,074.68 = 91,024.92/x
  3. Step 3: Cross multiply
    240,713.73x = 361,074.68 × 91,024.92
  4. Step 4: Simplify right side
    240,713.73x = 32,866,793,405.90
  5. Step 5: Solve for x
    x = 32,866,793,405.90/240,713.73
  6. Step 6: Final answer
    x = 136,538.92

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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.