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Finding the Fourth Proportional to 150,757.38, 225,840.42 and 87,444.45

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Solution

The fourth proportional to 150,757.38, 225,840.42 and 87,444.45 is: 130,995.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,757.38 : 225,840.42 = 87,444.45 : x
  2. Step 2: Convert to fraction form
    150,757.38/225,840.42 = 87,444.45/x
  3. Step 3: Cross multiply
    150,757.38x = 225,840.42 × 87,444.45
  4. Step 4: Simplify right side
    150,757.38x = 19,748,491,314.67
  5. Step 5: Solve for x
    x = 19,748,491,314.67/150,757.38
  6. Step 6: Final answer
    x = 130,995.19

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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.