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Finding the Fourth Proportional to 240,655.44, 361,065.18 and 72,179.88

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Solution

The fourth proportional to 240,655.44, 361,065.18 and 72,179.88 is: 108,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,655.44 : 361,065.18 = 72,179.88 : x
  2. Step 2: Convert to fraction form
    240,655.44/361,065.18 = 72,179.88/x
  3. Step 3: Cross multiply
    240,655.44x = 361,065.18 × 72,179.88
  4. Step 4: Simplify right side
    240,655.44x = 26,061,641,364.58
  5. Step 5: Solve for x
    x = 26,061,641,364.58/240,655.44
  6. Step 6: Final answer
    x = 108,294.42

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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.