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Finding the Fourth Proportional to 154,765.55, 232,100.43 and 74,753.82

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Solution

The fourth proportional to 154,765.55, 232,100.43 and 74,753.82 is: 112,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,765.55 : 232,100.43 = 74,753.82 : x
  2. Step 2: Convert to fraction form
    154,765.55/232,100.43 = 74,753.82/x
  3. Step 3: Cross multiply
    154,765.55x = 232,100.43 × 74,753.82
  4. Step 4: Simplify right side
    154,765.55x = 17,350,393,906.31
  5. Step 5: Solve for x
    x = 17,350,393,906.31/154,765.55
  6. Step 6: Final answer
    x = 112,107.60

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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.