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Finding the Fourth Proportional to 150,553.53, 225,866.75 and 75,487.19

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Solution

The fourth proportional to 150,553.53, 225,866.75 and 75,487.19 is: 113,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,553.53 : 225,866.75 = 75,487.19 : x
  2. Step 2: Convert to fraction form
    150,553.53/225,866.75 = 75,487.19/x
  3. Step 3: Cross multiply
    150,553.53x = 225,866.75 × 75,487.19
  4. Step 4: Simplify right side
    150,553.53x = 17,050,044,765.16
  5. Step 5: Solve for x
    x = 17,050,044,765.16/150,553.53
  6. Step 6: Final answer
    x = 113,249.05

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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.