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Finding the Fourth Proportional to 150,607.83, 225,764.87 and 71,700.87

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Solution

The fourth proportional to 150,607.83, 225,764.87 and 71,700.87 is: 107,481.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,607.83 : 225,764.87 = 71,700.87 : x
  2. Step 2: Convert to fraction form
    150,607.83/225,764.87 = 71,700.87/x
  3. Step 3: Cross multiply
    150,607.83x = 225,764.87 × 71,700.87
  4. Step 4: Simplify right side
    150,607.83x = 16,187,537,235.93
  5. Step 5: Solve for x
    x = 16,187,537,235.93/150,607.83
  6. Step 6: Final answer
    x = 107,481.38

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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.