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Finding the Fourth Proportional to 234,229.80, 351,315.60 and 65,763.36

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Solution

The fourth proportional to 234,229.80, 351,315.60 and 65,763.36 is: 98,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,229.80 : 351,315.60 = 65,763.36 : x
  2. Step 2: Convert to fraction form
    234,229.80/351,315.60 = 65,763.36/x
  3. Step 3: Cross multiply
    234,229.80x = 351,315.60 × 65,763.36
  4. Step 4: Simplify right side
    234,229.80x = 23,103,694,276.42
  5. Step 5: Solve for x
    x = 23,103,694,276.42/234,229.80
  6. Step 6: Final answer
    x = 98,636.87

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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.