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Finding the Fourth Proportional to 169,791.52, 254,684.14 and 68,587.02

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Solution

The fourth proportional to 169,791.52, 254,684.14 and 68,587.02 is: 102,879.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,791.52 : 254,684.14 = 68,587.02 : x
  2. Step 2: Convert to fraction form
    169,791.52/254,684.14 = 68,587.02/x
  3. Step 3: Cross multiply
    169,791.52x = 254,684.14 × 68,587.02
  4. Step 4: Simplify right side
    169,791.52x = 17,468,026,203.86
  5. Step 5: Solve for x
    x = 17,468,026,203.86/169,791.52
  6. Step 6: Final answer
    x = 102,879.26

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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.