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Finding the Fourth Proportional to 137,979.97, 206,796.81 and 59,001.32

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Solution

The fourth proportional to 137,979.97, 206,796.81 and 59,001.32 is: 88,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,979.97 : 206,796.81 = 59,001.32 : x
  2. Step 2: Convert to fraction form
    137,979.97/206,796.81 = 59,001.32/x
  3. Step 3: Cross multiply
    137,979.97x = 206,796.81 × 59,001.32
  4. Step 4: Simplify right side
    137,979.97x = 12,201,284,761.79
  5. Step 5: Solve for x
    x = 12,201,284,761.79/137,979.97
  6. Step 6: Final answer
    x = 88,427.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.