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Finding the Fourth Proportional to 150,754.59, 225,836.33 and 87,441.71

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Solution

The fourth proportional to 150,754.59, 225,836.33 and 87,441.71 is: 130,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,754.59 : 225,836.33 = 87,441.71 : x
  2. Step 2: Convert to fraction form
    150,754.59/225,836.33 = 87,441.71/x
  3. Step 3: Cross multiply
    150,754.59x = 225,836.33 × 87,441.71
  4. Step 4: Simplify right side
    150,754.59x = 19,747,513,308.93
  5. Step 5: Solve for x
    x = 19,747,513,308.93/150,754.59
  6. Step 6: Final answer
    x = 130,991.12

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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.