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Finding the Fourth Proportional to 150,766.87, 225,854.61 and 87,453.98

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Solution

The fourth proportional to 150,766.87, 225,854.61 and 87,453.98 is: 131,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,766.87 : 225,854.61 = 87,453.98 : x
  2. Step 2: Convert to fraction form
    150,766.87/225,854.61 = 87,453.98/x
  3. Step 3: Cross multiply
    150,766.87x = 225,854.61 × 87,453.98
  4. Step 4: Simplify right side
    150,766.87x = 19,751,884,545.85
  5. Step 5: Solve for x
    x = 19,751,884,545.85/150,766.87
  6. Step 6: Final answer
    x = 131,009.45

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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.