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Finding the Fourth Proportional to 132,069.96, 198,097.92 and 43,311.78

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Solution

The fourth proportional to 132,069.96, 198,097.92 and 43,311.78 is: 64,965.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,069.96 : 198,097.92 = 43,311.78 : x
  2. Step 2: Convert to fraction form
    132,069.96/198,097.92 = 43,311.78/x
  3. Step 3: Cross multiply
    132,069.96x = 198,097.92 × 43,311.78
  4. Step 4: Simplify right side
    132,069.96x = 8,579,973,529.50
  5. Step 5: Solve for x
    x = 8,579,973,529.50/132,069.96
  6. Step 6: Final answer
    x = 64,965.37

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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.