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Finding the Fourth Proportional to 230,575.20, 345,862.80 and 64,363.20

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Solution

The fourth proportional to 230,575.20, 345,862.80 and 64,363.20 is: 96,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,575.20 : 345,862.80 = 64,363.20 : x
  2. Step 2: Convert to fraction form
    230,575.20/345,862.80 = 64,363.20/x
  3. Step 3: Cross multiply
    230,575.20x = 345,862.80 × 64,363.20
  4. Step 4: Simplify right side
    230,575.20x = 22,260,836,568.96
  5. Step 5: Solve for x
    x = 22,260,836,568.96/230,575.20
  6. Step 6: Final answer
    x = 96,544.80

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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.