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Finding the Fourth Proportional to 132,450.77, 198,569.17 and 43,648.85

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Solution

The fourth proportional to 132,450.77, 198,569.17 and 43,648.85 is: 65,438.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,450.77 : 198,569.17 = 43,648.85 : x
  2. Step 2: Convert to fraction form
    132,450.77/198,569.17 = 43,648.85/x
  3. Step 3: Cross multiply
    132,450.77x = 198,569.17 × 43,648.85
  4. Step 4: Simplify right side
    132,450.77x = 8,667,315,915.95
  5. Step 5: Solve for x
    x = 8,667,315,915.95/132,450.77
  6. Step 6: Final answer
    x = 65,438.02

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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.