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Finding the Fourth Proportional to 88,495.60, 132,743.40 and 57,002.80

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Solution

The fourth proportional to 88,495.60, 132,743.40 and 57,002.80 is: 85,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,495.60 : 132,743.40 = 57,002.80 : x
  2. Step 2: Convert to fraction form
    88,495.60/132,743.40 = 57,002.80/x
  3. Step 3: Cross multiply
    88,495.60x = 132,743.40 × 57,002.80
  4. Step 4: Simplify right side
    88,495.60x = 7,566,745,481.52
  5. Step 5: Solve for x
    x = 7,566,745,481.52/88,495.60
  6. Step 6: Final answer
    x = 85,504.20

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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.