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Finding the Fourth Proportional to 132,095.70, 198,143.55 and 43,327.80

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Solution

The fourth proportional to 132,095.70, 198,143.55 and 43,327.80 is: 64,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,095.70 : 198,143.55 = 43,327.80 : x
  2. Step 2: Convert to fraction form
    132,095.70/198,143.55 = 43,327.80/x
  3. Step 3: Cross multiply
    132,095.70x = 198,143.55 × 43,327.80
  4. Step 4: Simplify right side
    132,095.70x = 8,585,124,105.69
  5. Step 5: Solve for x
    x = 8,585,124,105.69/132,095.70
  6. Step 6: Final answer
    x = 64,991.70

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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.