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Finding the Fourth Proportional to 132,317.76, 198,476.80 and 36,255.78

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Solution

The fourth proportional to 132,317.76, 198,476.80 and 36,255.78 is: 54,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,317.76 : 198,476.80 = 36,255.78 : x
  2. Step 2: Convert to fraction form
    132,317.76/198,476.80 = 36,255.78/x
  3. Step 3: Cross multiply
    132,317.76x = 198,476.80 × 36,255.78
  4. Step 4: Simplify right side
    132,317.76x = 7,195,931,195.90
  5. Step 5: Solve for x
    x = 7,195,931,195.90/132,317.76
  6. Step 6: Final answer
    x = 54,383.71

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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.