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Finding the Fourth Proportional to 240,487.36, 360,780.24 and 82,695.31

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Solution

The fourth proportional to 240,487.36, 360,780.24 and 82,695.31 is: 124,059.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,487.36 : 360,780.24 = 82,695.31 : x
  2. Step 2: Convert to fraction form
    240,487.36/360,780.24 = 82,695.31/x
  3. Step 3: Cross multiply
    240,487.36x = 360,780.24 × 82,695.31
  4. Step 4: Simplify right side
    240,487.36x = 29,834,833,788.67
  5. Step 5: Solve for x
    x = 29,834,833,788.67/240,487.36
  6. Step 6: Final answer
    x = 124,059.88

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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.