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Finding the Fourth Proportional to 168,058.53, 231,909.86 and 92,607.03

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Solution

The fourth proportional to 168,058.53, 231,909.86 and 92,607.03 is: 127,791.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,058.53 : 231,909.86 = 92,607.03 : x
  2. Step 2: Convert to fraction form
    168,058.53/231,909.86 = 92,607.03/x
  3. Step 3: Cross multiply
    168,058.53x = 231,909.86 × 92,607.03
  4. Step 4: Simplify right side
    168,058.53x = 21,476,482,899.28
  5. Step 5: Solve for x
    x = 21,476,482,899.28/168,058.53
  6. Step 6: Final answer
    x = 127,791.69

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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.