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Finding the Fourth Proportional to 162,854.20, 244,273.20 and 83,976.40

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Solution

The fourth proportional to 162,854.20, 244,273.20 and 83,976.40 is: 125,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,854.20 : 244,273.20 = 83,976.40 : x
  2. Step 2: Convert to fraction form
    162,854.20/244,273.20 = 83,976.40/x
  3. Step 3: Cross multiply
    162,854.20x = 244,273.20 × 83,976.40
  4. Step 4: Simplify right side
    162,854.20x = 20,513,183,952.48
  5. Step 5: Solve for x
    x = 20,513,183,952.48/162,854.20
  6. Step 6: Final answer
    x = 125,960.42

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1.5x scale

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.