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Finding the Fourth Proportional to 95,959.70, 132,478.49 and 66,544.55

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Solution

The fourth proportional to 95,959.70, 132,478.49 and 66,544.55 is: 91,869.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,959.70 : 132,478.49 = 66,544.55 : x
  2. Step 2: Convert to fraction form
    95,959.70/132,478.49 = 66,544.55/x
  3. Step 3: Cross multiply
    95,959.70x = 132,478.49 × 66,544.55
  4. Step 4: Simplify right side
    95,959.70x = 8,815,721,501.73
  5. Step 5: Solve for x
    x = 8,815,721,501.73/95,959.70
  6. Step 6: Final answer
    x = 91,869.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.