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Finding the Fourth Proportional to 122,294.69, 168,538.14 and 95,394.59

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Solution

The fourth proportional to 122,294.69, 168,538.14 and 95,394.59 is: 131,466.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,294.69 : 168,538.14 = 95,394.59 : x
  2. Step 2: Convert to fraction form
    122,294.69/168,538.14 = 95,394.59/x
  3. Step 3: Cross multiply
    122,294.69x = 168,538.14 × 95,394.59
  4. Step 4: Simplify right side
    122,294.69x = 16,077,625,921.97
  5. Step 5: Solve for x
    x = 16,077,625,921.97/122,294.69
  6. Step 6: Final answer
    x = 131,466.27

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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.