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Finding the Fourth Proportional to 132,466.20, 198,701.48 and 38,974.20

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Solution

The fourth proportional to 132,466.20, 198,701.48 and 38,974.20 is: 58,461.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,466.20 : 198,701.48 = 38,974.20 : x
  2. Step 2: Convert to fraction form
    132,466.20/198,701.48 = 38,974.20/x
  3. Step 3: Cross multiply
    132,466.20x = 198,701.48 × 38,974.20
  4. Step 4: Simplify right side
    132,466.20x = 7,744,231,221.82
  5. Step 5: Solve for x
    x = 7,744,231,221.82/132,466.20
  6. Step 6: Final answer
    x = 58,461.94

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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.