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Finding the Fourth Proportional to 150,531.62, 225,809.74 and 75,613.23

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Solution

The fourth proportional to 150,531.62, 225,809.74 and 75,613.23 is: 113,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,531.62 : 225,809.74 = 75,613.23 : x
  2. Step 2: Convert to fraction form
    150,531.62/225,809.74 = 75,613.23/x
  3. Step 3: Cross multiply
    150,531.62x = 225,809.74 × 75,613.23
  4. Step 4: Simplify right side
    150,531.62x = 17,074,203,901.38
  5. Step 5: Solve for x
    x = 17,074,203,901.38/150,531.62
  6. Step 6: Final answer
    x = 113,426.03

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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.