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Finding the Fourth Proportional to 119,517.20, 164,932.36 and 65,801.08

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Solution

The fourth proportional to 119,517.20, 164,932.36 and 65,801.08 is: 90,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,517.20 : 164,932.36 = 65,801.08 : x
  2. Step 2: Convert to fraction form
    119,517.20/164,932.36 = 65,801.08/x
  3. Step 3: Cross multiply
    119,517.20x = 164,932.36 × 65,801.08
  4. Step 4: Simplify right side
    119,517.20x = 10,852,727,414.95
  5. Step 5: Solve for x
    x = 10,852,727,414.95/119,517.20
  6. Step 6: Final answer
    x = 90,804.73

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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.