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Finding the Fourth Proportional to 132,348.40, 198,522.60 and 123,535.60

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Solution

The fourth proportional to 132,348.40, 198,522.60 and 123,535.60 is: 185,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,348.40 : 198,522.60 = 123,535.60 : x
  2. Step 2: Convert to fraction form
    132,348.40/198,522.60 = 123,535.60/x
  3. Step 3: Cross multiply
    132,348.40x = 198,522.60 × 123,535.60
  4. Step 4: Simplify right side
    132,348.40x = 24,524,608,504.56
  5. Step 5: Solve for x
    x = 24,524,608,504.56/132,348.40
  6. Step 6: Final answer
    x = 185,303.40

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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.