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Finding the Fourth Proportional to 169,603.62, 234,043.82 and 94,147.26

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Solution

The fourth proportional to 169,603.62, 234,043.82 and 94,147.26 is: 129,918.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,603.62 : 234,043.82 = 94,147.26 : x
  2. Step 2: Convert to fraction form
    169,603.62/234,043.82 = 94,147.26/x
  3. Step 3: Cross multiply
    169,603.62x = 234,043.82 × 94,147.26
  4. Step 4: Simplify right side
    169,603.62x = 22,034,584,372.93
  5. Step 5: Solve for x
    x = 22,034,584,372.93/169,603.62
  6. Step 6: Final answer
    x = 129,918.13

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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.