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Finding the Fourth Proportional to 264,500.97, 365,010.21 and 143,641.41

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Solution

The fourth proportional to 264,500.97, 365,010.21 and 143,641.41 is: 198,224.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,500.97 : 365,010.21 = 143,641.41 : x
  2. Step 2: Convert to fraction form
    264,500.97/365,010.21 = 143,641.41/x
  3. Step 3: Cross multiply
    264,500.97x = 365,010.21 × 143,641.41
  4. Step 4: Simplify right side
    264,500.97x = 52,430,581,228.80
  5. Step 5: Solve for x
    x = 52,430,581,228.80/264,500.97
  6. Step 6: Final answer
    x = 198,224.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.