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Finding the Fourth Proportional to 95,638.44, 132,040.08 and 61,659

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Solution

The fourth proportional to 95,638.44, 132,040.08 and 61,659 is: 85,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,638.44 : 132,040.08 = 61,659 : x
  2. Step 2: Convert to fraction form
    95,638.44/132,040.08 = 61,659/x
  3. Step 3: Cross multiply
    95,638.44x = 132,040.08 × 61,659
  4. Step 4: Simplify right side
    95,638.44x = 8,141,459,292.72
  5. Step 5: Solve for x
    x = 8,141,459,292.72/95,638.44
  6. Step 6: Final answer
    x = 85,127.48

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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.