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Finding the Fourth Proportional to 148,906.60, 223,359.90 and 123,537.40

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Solution

The fourth proportional to 148,906.60, 223,359.90 and 123,537.40 is: 185,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,906.60 : 223,359.90 = 123,537.40 : x
  2. Step 2: Convert to fraction form
    148,906.60/223,359.90 = 123,537.40/x
  3. Step 3: Cross multiply
    148,906.60x = 223,359.90 × 123,537.40
  4. Step 4: Simplify right side
    148,906.60x = 27,593,301,310.26
  5. Step 5: Solve for x
    x = 27,593,301,310.26/148,906.60
  6. Step 6: Final answer
    x = 185,306.10

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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.