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Finding the Fourth Proportional to 132,527.20, 198,733.20 and 39,013.60

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Solution

The fourth proportional to 132,527.20, 198,733.20 and 39,013.60 is: 58,503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,527.20 : 198,733.20 = 39,013.60 : x
  2. Step 2: Convert to fraction form
    132,527.20/198,733.20 = 39,013.60/x
  3. Step 3: Cross multiply
    132,527.20x = 198,733.20 × 39,013.60
  4. Step 4: Simplify right side
    132,527.20x = 7,753,297,571.52
  5. Step 5: Solve for x
    x = 7,753,297,571.52/132,527.20
  6. Step 6: Final answer
    x = 58,503.44

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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.