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Finding the Fourth Proportional to 243,944.92, 336,599.71 and 140,563

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Solution

The fourth proportional to 243,944.92, 336,599.71 and 140,563 is: 193,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,944.92 : 336,599.71 = 140,563 : x
  2. Step 2: Convert to fraction form
    243,944.92/336,599.71 = 140,563/x
  3. Step 3: Cross multiply
    243,944.92x = 336,599.71 × 140,563
  4. Step 4: Simplify right side
    243,944.92x = 47,313,465,036.73
  5. Step 5: Solve for x
    x = 47,313,465,036.73/243,944.92
  6. Step 6: Final answer
    x = 193,951.43

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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.