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Finding the Fourth Proportional to 136,057.92, 204,087.29 and 41,288.87

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Solution

The fourth proportional to 136,057.92, 204,087.29 and 41,288.87 is: 61,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,057.92 : 204,087.29 = 41,288.87 : x
  2. Step 2: Convert to fraction form
    136,057.92/204,087.29 = 41,288.87/x
  3. Step 3: Cross multiply
    136,057.92x = 204,087.29 × 41,288.87
  4. Step 4: Simplify right side
    136,057.92x = 8,426,532,358.58
  5. Step 5: Solve for x
    x = 8,426,532,358.58/136,057.92
  6. Step 6: Final answer
    x = 61,933.42

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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.