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Finding the Fourth Proportional to 169,370.56, 254,154.24 and 75,876.31

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Solution

The fourth proportional to 169,370.56, 254,154.24 and 75,876.31 is: 113,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,370.56 : 254,154.24 = 75,876.31 : x
  2. Step 2: Convert to fraction form
    169,370.56/254,154.24 = 75,876.31/x
  3. Step 3: Cross multiply
    169,370.56x = 254,154.24 × 75,876.31
  4. Step 4: Simplify right side
    169,370.56x = 19,284,285,902.05
  5. Step 5: Solve for x
    x = 19,284,285,902.05/169,370.56
  6. Step 6: Final answer
    x = 113,858.55

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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.