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Finding the Fourth Proportional to 150,279.32, 225,462.90 and 67,153.88

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Solution

The fourth proportional to 150,279.32, 225,462.90 and 67,153.88 is: 100,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,279.32 : 225,462.90 = 67,153.88 : x
  2. Step 2: Convert to fraction form
    150,279.32/225,462.90 = 67,153.88/x
  3. Step 3: Cross multiply
    150,279.32x = 225,462.90 × 67,153.88
  4. Step 4: Simplify right side
    150,279.32x = 15,140,708,531.05
  5. Step 5: Solve for x
    x = 15,140,708,531.05/150,279.32
  6. Step 6: Final answer
    x = 100,750.45

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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.