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Finding the Fourth Proportional to 132,992.55, 199,488.80 and 57,074.62

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Solution

The fourth proportional to 132,992.55, 199,488.80 and 57,074.62 is: 85,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,992.55 : 199,488.80 = 57,074.62 : x
  2. Step 2: Convert to fraction form
    132,992.55/199,488.80 = 57,074.62/x
  3. Step 3: Cross multiply
    132,992.55x = 199,488.80 × 57,074.62
  4. Step 4: Simplify right side
    132,992.55x = 11,385,747,454.26
  5. Step 5: Solve for x
    x = 11,385,747,454.26/132,992.55
  6. Step 6: Final answer
    x = 85,611.92

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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.