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Finding the Fourth Proportional to 240,612.48, 360,691.74 and 82,730.52

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Solution

The fourth proportional to 240,612.48, 360,691.74 and 82,730.52 is: 124,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,612.48 : 360,691.74 = 82,730.52 : x
  2. Step 2: Convert to fraction form
    240,612.48/360,691.74 = 82,730.52/x
  3. Step 3: Cross multiply
    240,612.48x = 360,691.74 × 82,730.52
  4. Step 4: Simplify right side
    240,612.48x = 29,840,215,209.90
  5. Step 5: Solve for x
    x = 29,840,215,209.90/240,612.48
  6. Step 6: Final answer
    x = 124,017.74

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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.