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Finding the Fourth Proportional to 169,568.70, 234,015.87 and 97,951.74

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Solution

The fourth proportional to 169,568.70, 234,015.87 and 97,951.74 is: 135,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,568.70 : 234,015.87 = 97,951.74 : x
  2. Step 2: Convert to fraction form
    169,568.70/234,015.87 = 97,951.74/x
  3. Step 3: Cross multiply
    169,568.70x = 234,015.87 × 97,951.74
  4. Step 4: Simplify right side
    169,568.70x = 22,922,261,654.11
  5. Step 5: Solve for x
    x = 22,922,261,654.11/169,568.70
  6. Step 6: Final answer
    x = 135,179.79

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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.