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Finding the Fourth Proportional to 88,613.76, 132,874.56 and 35,993.28

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Solution

The fourth proportional to 88,613.76, 132,874.56 and 35,993.28 is: 53,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,613.76 : 132,874.56 = 35,993.28 : x
  2. Step 2: Convert to fraction form
    88,613.76/132,874.56 = 35,993.28/x
  3. Step 3: Cross multiply
    88,613.76x = 132,874.56 × 35,993.28
  4. Step 4: Simplify right side
    88,613.76x = 4,782,591,242.96
  5. Step 5: Solve for x
    x = 4,782,591,242.96/88,613.76
  6. Step 6: Final answer
    x = 53,971.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.