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Finding the Fourth Proportional to 150,544.38, 225,787.75 and 75,643.78

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Solution

The fourth proportional to 150,544.38, 225,787.75 and 75,643.78 is: 113,451.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,544.38 : 225,787.75 = 75,643.78 : x
  2. Step 2: Convert to fraction form
    150,544.38/225,787.75 = 75,643.78/x
  3. Step 3: Cross multiply
    150,544.38x = 225,787.75 × 75,643.78
  4. Step 4: Simplify right side
    150,544.38x = 17,079,438,887.70
  5. Step 5: Solve for x
    x = 17,079,438,887.70/150,544.38
  6. Step 6: Final answer
    x = 113,451.19

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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.