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Finding the Fourth Proportional to 169,785.45, 254,724.18 and 151,194.54

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Solution

The fourth proportional to 169,785.45, 254,724.18 and 151,194.54 is: 226,832.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,785.45 : 254,724.18 = 151,194.54 : x
  2. Step 2: Convert to fraction form
    169,785.45/254,724.18 = 151,194.54/x
  3. Step 3: Cross multiply
    169,785.45x = 254,724.18 × 151,194.54
  4. Step 4: Simplify right side
    169,785.45x = 38,512,905,221.98
  5. Step 5: Solve for x
    x = 38,512,905,221.98/169,785.45
  6. Step 6: Final answer
    x = 226,832.78

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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.