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Finding the Fourth Proportional to 132,040.80, 198,061.20 and 33,544.80

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Solution

The fourth proportional to 132,040.80, 198,061.20 and 33,544.80 is: 50,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,040.80 : 198,061.20 = 33,544.80 : x
  2. Step 2: Convert to fraction form
    132,040.80/198,061.20 = 33,544.80/x
  3. Step 3: Cross multiply
    132,040.80x = 198,061.20 × 33,544.80
  4. Step 4: Simplify right side
    132,040.80x = 6,643,923,341.76
  5. Step 5: Solve for x
    x = 6,643,923,341.76/132,040.80
  6. Step 6: Final answer
    x = 50,317.20

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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.