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Finding the Fourth Proportional to 225,432.38, 338,214.42 and 100,744.22

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Solution

The fourth proportional to 225,432.38, 338,214.42 and 100,744.22 is: 151,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,432.38 : 338,214.42 = 100,744.22 : x
  2. Step 2: Convert to fraction form
    225,432.38/338,214.42 = 100,744.22/x
  3. Step 3: Cross multiply
    225,432.38x = 338,214.42 × 100,744.22
  4. Step 4: Simplify right side
    225,432.38x = 34,073,147,935.65
  5. Step 5: Solve for x
    x = 34,073,147,935.65/225,432.38
  6. Step 6: Final answer
    x = 151,145.76

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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.