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Finding the Fourth Proportional to 225,589.53, 338,405.17 and 73,787.47

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Solution

The fourth proportional to 225,589.53, 338,405.17 and 73,787.47 is: 110,688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,589.53 : 338,405.17 = 73,787.47 : x
  2. Step 2: Convert to fraction form
    225,589.53/338,405.17 = 73,787.47/x
  3. Step 3: Cross multiply
    225,589.53x = 338,405.17 × 73,787.47
  4. Step 4: Simplify right side
    225,589.53x = 24,970,059,452.73
  5. Step 5: Solve for x
    x = 24,970,059,452.73/225,589.53
  6. Step 6: Final answer
    x = 110,688.03

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1.5x scale

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.