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Finding the Fourth Proportional to 132,817.80, 199,255.86 and 39,330.84

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Solution

The fourth proportional to 132,817.80, 199,255.86 and 39,330.84 is: 59,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,817.80 : 199,255.86 = 39,330.84 : x
  2. Step 2: Convert to fraction form
    132,817.80/199,255.86 = 39,330.84/x
  3. Step 3: Cross multiply
    132,817.80x = 199,255.86 × 39,330.84
  4. Step 4: Simplify right side
    132,817.80x = 7,836,900,348.72
  5. Step 5: Solve for x
    x = 7,836,900,348.72/132,817.80
  6. Step 6: Final answer
    x = 59,004.90

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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.