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Finding the Fourth Proportional to 119,952.64, 179,912.20 and 65,934.28

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Solution

The fourth proportional to 119,952.64, 179,912.20 and 65,934.28 is: 98,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,952.64 : 179,912.20 = 65,934.28 : x
  2. Step 2: Convert to fraction form
    119,952.64/179,912.20 = 65,934.28/x
  3. Step 3: Cross multiply
    119,952.64x = 179,912.20 × 65,934.28
  4. Step 4: Simplify right side
    119,952.64x = 11,862,381,370.22
  5. Step 5: Solve for x
    x = 11,862,381,370.22/119,952.64
  6. Step 6: Final answer
    x = 98,892.21

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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.