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Finding the Fourth Proportional to 162,956.70, 244,143.45 and 137,879.10

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Solution

The fourth proportional to 162,956.70, 244,143.45 and 137,879.10 is: 206,571.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,956.70 : 244,143.45 = 137,879.10 : x
  2. Step 2: Convert to fraction form
    162,956.70/244,143.45 = 137,879.10/x
  3. Step 3: Cross multiply
    162,956.70x = 244,143.45 × 137,879.10
  4. Step 4: Simplify right side
    162,956.70x = 33,662,279,156.90
  5. Step 5: Solve for x
    x = 33,662,279,156.90/162,956.70
  6. Step 6: Final answer
    x = 206,571.92

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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.