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Finding the Fourth Proportional to 135,295.65, 202,944.87 and 60,419.61

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Solution

The fourth proportional to 135,295.65, 202,944.87 and 60,419.61 is: 90,630.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,295.65 : 202,944.87 = 60,419.61 : x
  2. Step 2: Convert to fraction form
    135,295.65/202,944.87 = 60,419.61/x
  3. Step 3: Cross multiply
    135,295.65x = 202,944.87 × 60,419.61
  4. Step 4: Simplify right side
    135,295.65x = 12,261,849,896.90
  5. Step 5: Solve for x
    x = 12,261,849,896.90/135,295.65
  6. Step 6: Final answer
    x = 90,630.04

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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.