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Finding the Fourth Proportional to 240,781.87, 360,840.65 and 181,552.44

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Solution

The fourth proportional to 240,781.87, 360,840.65 and 181,552.44 is: 272,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,781.87 : 360,840.65 = 181,552.44 : x
  2. Step 2: Convert to fraction form
    240,781.87/360,840.65 = 181,552.44/x
  3. Step 3: Cross multiply
    240,781.87x = 360,840.65 × 181,552.44
  4. Step 4: Simplify right side
    240,781.87x = 65,511,499,384.96
  5. Step 5: Solve for x
    x = 65,511,499,384.96/240,781.87
  6. Step 6: Final answer
    x = 272,078.21

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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.