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Finding the Fourth Proportional to 126,092.97, 174,009.47 and 69,506.37

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Solution

The fourth proportional to 126,092.97, 174,009.47 and 69,506.37 is: 95,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,092.97 : 174,009.47 = 69,506.37 : x
  2. Step 2: Convert to fraction form
    126,092.97/174,009.47 = 69,506.37/x
  3. Step 3: Cross multiply
    126,092.97x = 174,009.47 × 69,506.37
  4. Step 4: Simplify right side
    126,092.97x = 12,094,766,257.79
  5. Step 5: Solve for x
    x = 12,094,766,257.79/126,092.97
  6. Step 6: Final answer
    x = 95,919.43

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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.