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Finding the Fourth Proportional to 151,734.60, 227,601.90 and 81,750.60

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Solution

The fourth proportional to 151,734.60, 227,601.90 and 81,750.60 is: 122,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,734.60 : 227,601.90 = 81,750.60 : x
  2. Step 2: Convert to fraction form
    151,734.60/227,601.90 = 81,750.60/x
  3. Step 3: Cross multiply
    151,734.60x = 227,601.90 × 81,750.60
  4. Step 4: Simplify right side
    151,734.60x = 18,606,591,886.14
  5. Step 5: Solve for x
    x = 18,606,591,886.14/151,734.60
  6. Step 6: Final answer
    x = 122,625.90

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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.