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Finding the Fourth Proportional to 84,394.97, 116,425.40 and 60,201.28

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Solution

The fourth proportional to 84,394.97, 116,425.40 and 60,201.28 is: 83,049.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,394.97 : 116,425.40 = 60,201.28 : x
  2. Step 2: Convert to fraction form
    84,394.97/116,425.40 = 60,201.28/x
  3. Step 3: Cross multiply
    84,394.97x = 116,425.40 × 60,201.28
  4. Step 4: Simplify right side
    84,394.97x = 7,008,957,963.95
  5. Step 5: Solve for x
    x = 7,008,957,963.95/84,394.97
  6. Step 6: Final answer
    x = 83,049.48

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1.5x scale

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.