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Finding the Fourth Proportional to 169,788.26, 254,682.11 and 45,129.26

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Solution

The fourth proportional to 169,788.26, 254,682.11 and 45,129.26 is: 67,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,788.26 : 254,682.11 = 45,129.26 : x
  2. Step 2: Convert to fraction form
    169,788.26/254,682.11 = 45,129.26/x
  3. Step 3: Cross multiply
    169,788.26x = 254,682.11 × 45,129.26
  4. Step 4: Simplify right side
    169,788.26x = 11,493,613,660.48
  5. Step 5: Solve for x
    x = 11,493,613,660.48/169,788.26
  6. Step 6: Final answer
    x = 67,693.81

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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.