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Finding the Fourth Proportional to 95,866.76, 132,257.16 and 63,616.58

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Solution

The fourth proportional to 95,866.76, 132,257.16 and 63,616.58 is: 87,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,866.76 : 132,257.16 = 63,616.58 : x
  2. Step 2: Convert to fraction form
    95,866.76/132,257.16 = 63,616.58/x
  3. Step 3: Cross multiply
    95,866.76x = 132,257.16 × 63,616.58
  4. Step 4: Simplify right side
    95,866.76x = 8,413,748,199.71
  5. Step 5: Solve for x
    x = 8,413,748,199.71/95,866.76
  6. Step 6: Final answer
    x = 87,765.02

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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.