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Finding the Fourth Proportional to 124,193.93, 171,387.13 and 69,738.52

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Solution

The fourth proportional to 124,193.93, 171,387.13 and 69,738.52 is: 96,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,193.93 : 171,387.13 = 69,738.52 : x
  2. Step 2: Convert to fraction form
    124,193.93/171,387.13 = 69,738.52/x
  3. Step 3: Cross multiply
    124,193.93x = 171,387.13 × 69,738.52
  4. Step 4: Simplify right side
    124,193.93x = 11,952,285,708.83
  5. Step 5: Solve for x
    x = 11,952,285,708.83/124,193.93
  6. Step 6: Final answer
    x = 96,238.89

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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.