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Finding the Fourth Proportional to 205,481.98, 283,652.45 and 124,935.24

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Solution

The fourth proportional to 205,481.98, 283,652.45 and 124,935.24 is: 172,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,481.98 : 283,652.45 = 124,935.24 : x
  2. Step 2: Convert to fraction form
    205,481.98/283,652.45 = 124,935.24/x
  3. Step 3: Cross multiply
    205,481.98x = 283,652.45 × 124,935.24
  4. Step 4: Simplify right side
    205,481.98x = 35,438,187,824.87
  5. Step 5: Solve for x
    x = 35,438,187,824.87/205,481.98
  6. Step 6: Final answer
    x = 172,463.72

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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.