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Finding the Fourth Proportional to 225,424.68, 338,082.13 and 75,626.11

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Solution

The fourth proportional to 225,424.68, 338,082.13 and 75,626.11 is: 113,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,424.68 : 338,082.13 = 75,626.11 : x
  2. Step 2: Convert to fraction form
    225,424.68/338,082.13 = 75,626.11/x
  3. Step 3: Cross multiply
    225,424.68x = 338,082.13 × 75,626.11
  4. Step 4: Simplify right side
    225,424.68x = 25,567,836,352.41
  5. Step 5: Solve for x
    x = 25,567,836,352.41/225,424.68
  6. Step 6: Final answer
    x = 113,420.75

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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.