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Finding the Fourth Proportional to 132,393.69, 198,588.78 and 32,554.78

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Solution

The fourth proportional to 132,393.69, 198,588.78 and 32,554.78 is: 48,831.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,393.69 : 198,588.78 = 32,554.78 : x
  2. Step 2: Convert to fraction form
    132,393.69/198,588.78 = 32,554.78/x
  3. Step 3: Cross multiply
    132,393.69x = 198,588.78 × 32,554.78
  4. Step 4: Simplify right side
    132,393.69x = 6,465,013,546.90
  5. Step 5: Solve for x
    x = 6,465,013,546.90/132,393.69
  6. Step 6: Final answer
    x = 48,831.73

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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.