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Finding the Fourth Proportional to 95,960.56, 132,449.30 and 65,384.20

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Solution

The fourth proportional to 95,960.56, 132,449.30 and 65,384.20 is: 90,246.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,960.56 : 132,449.30 = 65,384.20 : x
  2. Step 2: Convert to fraction form
    95,960.56/132,449.30 = 65,384.20/x
  3. Step 3: Cross multiply
    95,960.56x = 132,449.30 × 65,384.20
  4. Step 4: Simplify right side
    95,960.56x = 8,660,091,521.06
  5. Step 5: Solve for x
    x = 8,660,091,521.06/95,960.56
  6. Step 6: Final answer
    x = 90,246.36

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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.