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Finding the Fourth Proportional to 150,560.64, 225,769.44 and 87,400.14

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Solution

The fourth proportional to 150,560.64, 225,769.44 and 87,400.14 is: 131,058.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,560.64 : 225,769.44 = 87,400.14 : x
  2. Step 2: Convert to fraction form
    150,560.64/225,769.44 = 87,400.14/x
  3. Step 3: Cross multiply
    150,560.64x = 225,769.44 × 87,400.14
  4. Step 4: Simplify right side
    150,560.64x = 19,732,280,144.84
  5. Step 5: Solve for x
    x = 19,732,280,144.84/150,560.64
  6. Step 6: Final answer
    x = 131,058.69

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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.