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Finding the Fourth Proportional to 150,363.83, 225,475.11 and 87,201.90

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Solution

The fourth proportional to 150,363.83, 225,475.11 and 87,201.90 is: 130,761.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,363.83 : 225,475.11 = 87,201.90 : x
  2. Step 2: Convert to fraction form
    150,363.83/225,475.11 = 87,201.90/x
  3. Step 3: Cross multiply
    150,363.83x = 225,475.11 × 87,201.90
  4. Step 4: Simplify right side
    150,363.83x = 19,661,857,994.71
  5. Step 5: Solve for x
    x = 19,661,857,994.71/150,363.83
  6. Step 6: Final answer
    x = 130,761.89

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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.