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Finding the Fourth Proportional to 247,067.20, 370,600.80 and 162,867.70

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Solution

The fourth proportional to 247,067.20, 370,600.80 and 162,867.70 is: 244,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,067.20 : 370,600.80 = 162,867.70 : x
  2. Step 2: Convert to fraction form
    247,067.20/370,600.80 = 162,867.70/x
  3. Step 3: Cross multiply
    247,067.20x = 370,600.80 × 162,867.70
  4. Step 4: Simplify right side
    247,067.20x = 60,358,899,914.16
  5. Step 5: Solve for x
    x = 60,358,899,914.16/247,067.20
  6. Step 6: Final answer
    x = 244,301.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.