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Finding the Fourth Proportional to 88,110.96, 121,591.12 and 47,824.80

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Solution

The fourth proportional to 88,110.96, 121,591.12 and 47,824.80 is: 65,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,110.96 : 121,591.12 = 47,824.80 : x
  2. Step 2: Convert to fraction form
    88,110.96/121,591.12 = 47,824.80/x
  3. Step 3: Cross multiply
    88,110.96x = 121,591.12 × 47,824.80
  4. Step 4: Simplify right side
    88,110.96x = 5,815,070,995.78
  5. Step 5: Solve for x
    x = 5,815,070,995.78/88,110.96
  6. Step 6: Final answer
    x = 65,997.14

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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.