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Finding the Fourth Proportional to 118,659.06, 177,891.02 and 55,447.92

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Solution

The fourth proportional to 118,659.06, 177,891.02 and 55,447.92 is: 83,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,659.06 : 177,891.02 = 55,447.92 : x
  2. Step 2: Convert to fraction form
    118,659.06/177,891.02 = 55,447.92/x
  3. Step 3: Cross multiply
    118,659.06x = 177,891.02 × 55,447.92
  4. Step 4: Simplify right side
    118,659.06x = 9,863,687,045.68
  5. Step 5: Solve for x
    x = 9,863,687,045.68/118,659.06
  6. Step 6: Final answer
    x = 83,126.29

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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.