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Finding the Fourth Proportional to 150,375.28, 207,502.68 and 89,933.92

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Solution

The fourth proportional to 150,375.28, 207,502.68 and 89,933.92 is: 124,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,375.28 : 207,502.68 = 89,933.92 : x
  2. Step 2: Convert to fraction form
    150,375.28/207,502.68 = 89,933.92/x
  3. Step 3: Cross multiply
    150,375.28x = 207,502.68 × 89,933.92
  4. Step 4: Simplify right side
    150,375.28x = 18,661,529,422.91
  5. Step 5: Solve for x
    x = 18,661,529,422.91/150,375.28
  6. Step 6: Final answer
    x = 124,099.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.