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Finding the Fourth Proportional to 169,791.14, 254,686.40 and 45,132.14

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Solution

The fourth proportional to 169,791.14, 254,686.40 and 45,132.14 is: 67,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,791.14 : 254,686.40 = 45,132.14 : x
  2. Step 2: Convert to fraction form
    169,791.14/254,686.40 = 45,132.14/x
  3. Step 3: Cross multiply
    169,791.14x = 254,686.40 × 45,132.14
  4. Step 4: Simplify right side
    169,791.14x = 11,494,542,260.90
  5. Step 5: Solve for x
    x = 11,494,542,260.90/169,791.14
  6. Step 6: Final answer
    x = 67,698.13

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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.