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Finding the Fourth Proportional to 148,093.55, 204,304.17 and 86,808.68

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Solution

The fourth proportional to 148,093.55, 204,304.17 and 86,808.68 is: 119,757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,093.55 : 204,304.17 = 86,808.68 : x
  2. Step 2: Convert to fraction form
    148,093.55/204,304.17 = 86,808.68/x
  3. Step 3: Cross multiply
    148,093.55x = 204,304.17 × 86,808.68
  4. Step 4: Simplify right side
    148,093.55x = 17,735,375,316.20
  5. Step 5: Solve for x
    x = 17,735,375,316.20/148,093.55
  6. Step 6: Final answer
    x = 119,757.92

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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.