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Finding the Fourth Proportional to 240,377.10, 360,624.69 and 82,607.82

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Solution

The fourth proportional to 240,377.10, 360,624.69 and 82,607.82 is: 123,932.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,377.10 : 360,624.69 = 82,607.82 : x
  2. Step 2: Convert to fraction form
    240,377.10/360,624.69 = 82,607.82/x
  3. Step 3: Cross multiply
    240,377.10x = 360,624.69 × 82,607.82
  4. Step 4: Simplify right side
    240,377.10x = 29,790,419,479.08
  5. Step 5: Solve for x
    x = 29,790,419,479.08/240,377.10
  6. Step 6: Final answer
    x = 123,932.02

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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.