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Finding the Fourth Proportional to 247,046.28, 340,924.14 and 133,869.12

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Solution

The fourth proportional to 247,046.28, 340,924.14 and 133,869.12 is: 184,739.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,046.28 : 340,924.14 = 133,869.12 : x
  2. Step 2: Convert to fraction form
    247,046.28/340,924.14 = 133,869.12/x
  3. Step 3: Cross multiply
    247,046.28x = 340,924.14 × 133,869.12
  4. Step 4: Simplify right side
    247,046.28x = 45,639,214,608.56
  5. Step 5: Solve for x
    x = 45,639,214,608.56/247,046.28
  6. Step 6: Final answer
    x = 184,739.53

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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.