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Finding the Fourth Proportional to 150,063.87, 225,012.71 and 61,379.66

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Solution

The fourth proportional to 150,063.87, 225,012.71 and 61,379.66 is: 92,035.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,063.87 : 225,012.71 = 61,379.66 : x
  2. Step 2: Convert to fraction form
    150,063.87/225,012.71 = 61,379.66/x
  3. Step 3: Cross multiply
    150,063.87x = 225,012.71 × 61,379.66
  4. Step 4: Simplify right side
    150,063.87x = 13,811,203,635.48
  5. Step 5: Solve for x
    x = 13,811,203,635.48/150,063.87
  6. Step 6: Final answer
    x = 92,035.50

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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.