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Finding the Fourth Proportional to 80,324.40, 120,371.40 and 59,098.80

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Solution

The fourth proportional to 80,324.40, 120,371.40 and 59,098.80 is: 88,563.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,324.40 : 120,371.40 = 59,098.80 : x
  2. Step 2: Convert to fraction form
    80,324.40/120,371.40 = 59,098.80/x
  3. Step 3: Cross multiply
    80,324.40x = 120,371.40 × 59,098.80
  4. Step 4: Simplify right side
    80,324.40x = 7,113,805,294.32
  5. Step 5: Solve for x
    x = 7,113,805,294.32/80,324.40
  6. Step 6: Final answer
    x = 88,563.44

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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.