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Finding the Fourth Proportional to 203,532.59, 280,691.21 and 127,058.73

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Solution

The fourth proportional to 203,532.59, 280,691.21 and 127,058.73 is: 175,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,532.59 : 280,691.21 = 127,058.73 : x
  2. Step 2: Convert to fraction form
    203,532.59/280,691.21 = 127,058.73/x
  3. Step 3: Cross multiply
    203,532.59x = 280,691.21 × 127,058.73
  4. Step 4: Simplify right side
    203,532.59x = 35,664,268,029.47
  5. Step 5: Solve for x
    x = 35,664,268,029.47/203,532.59
  6. Step 6: Final answer
    x = 175,226.33

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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.