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Finding the Fourth Proportional to 169,853.58, 234,400.89 and 93,375.90

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Solution

The fourth proportional to 169,853.58, 234,400.89 and 93,375.90 is: 128,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,853.58 : 234,400.89 = 93,375.90 : x
  2. Step 2: Convert to fraction form
    169,853.58/234,400.89 = 93,375.90/x
  3. Step 3: Cross multiply
    169,853.58x = 234,400.89 × 93,375.90
  4. Step 4: Simplify right side
    169,853.58x = 21,887,394,064.55
  5. Step 5: Solve for x
    x = 21,887,394,064.55/169,853.58
  6. Step 6: Final answer
    x = 128,860.36

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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.