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Finding the Fourth Proportional to 69,304.97, 103,456.07 and 60,897.39

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Solution

The fourth proportional to 69,304.97, 103,456.07 and 60,897.39 is: 90,905.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,304.97 : 103,456.07 = 60,897.39 : x
  2. Step 2: Convert to fraction form
    69,304.97/103,456.07 = 60,897.39/x
  3. Step 3: Cross multiply
    69,304.97x = 103,456.07 × 60,897.39
  4. Step 4: Simplify right side
    69,304.97x = 6,300,204,338.17
  5. Step 5: Solve for x
    x = 6,300,204,338.17/69,304.97
  6. Step 6: Final answer
    x = 90,905.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.