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Finding the Fourth Proportional to 63,799.92, 88,165.30 and 47,856.68

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Solution

The fourth proportional to 63,799.92, 88,165.30 and 47,856.68 is: 66,133.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,799.92 : 88,165.30 = 47,856.68 : x
  2. Step 2: Convert to fraction form
    63,799.92/88,165.30 = 47,856.68/x
  3. Step 3: Cross multiply
    63,799.92x = 88,165.30 × 47,856.68
  4. Step 4: Simplify right side
    63,799.92x = 4,219,298,549.20
  5. Step 5: Solve for x
    x = 4,219,298,549.20/63,799.92
  6. Step 6: Final answer
    x = 66,133.29

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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.