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Finding the Fourth Proportional to 88,201.20, 132,377.40 and 35,648.40

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Solution

The fourth proportional to 88,201.20, 132,377.40 and 35,648.40 is: 53,503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,201.20 : 132,377.40 = 35,648.40 : x
  2. Step 2: Convert to fraction form
    88,201.20/132,377.40 = 35,648.40/x
  3. Step 3: Cross multiply
    88,201.20x = 132,377.40 × 35,648.40
  4. Step 4: Simplify right side
    88,201.20x = 4,719,042,506.16
  5. Step 5: Solve for x
    x = 4,719,042,506.16/88,201.20
  6. Step 6: Final answer
    x = 53,503.16

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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.