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Finding the Fourth Proportional to 240,172.32, 360,265.80 and 82,398.52

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Solution

The fourth proportional to 240,172.32, 360,265.80 and 82,398.52 is: 123,600.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,172.32 : 360,265.80 = 82,398.52 : x
  2. Step 2: Convert to fraction form
    240,172.32/360,265.80 = 82,398.52/x
  3. Step 3: Cross multiply
    240,172.32x = 360,265.80 × 82,398.52
  4. Step 4: Simplify right side
    240,172.32x = 29,685,368,726.62
  5. Step 5: Solve for x
    x = 29,685,368,726.62/240,172.32
  6. Step 6: Final answer
    x = 123,600.29

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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.