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Finding the Fourth Proportional to 131,883.92, 197,833.92 and 43,146.80

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Solution

The fourth proportional to 131,883.92, 197,833.92 and 43,146.80 is: 64,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,883.92 : 197,833.92 = 43,146.80 : x
  2. Step 2: Convert to fraction form
    131,883.92/197,833.92 = 43,146.80/x
  3. Step 3: Cross multiply
    131,883.92x = 197,833.92 × 43,146.80
  4. Step 4: Simplify right side
    131,883.92x = 8,535,900,579.46
  5. Step 5: Solve for x
    x = 8,535,900,579.46/131,883.92
  6. Step 6: Final answer
    x = 64,722.83

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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.