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Finding the Fourth Proportional to 264,651.57, 365,220.66 and 143,793.83

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Solution

The fourth proportional to 264,651.57, 365,220.66 and 143,793.83 is: 198,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,651.57 : 365,220.66 = 143,793.83 : x
  2. Step 2: Convert to fraction form
    264,651.57/365,220.66 = 143,793.83/x
  3. Step 3: Cross multiply
    264,651.57x = 365,220.66 × 143,793.83
  4. Step 4: Simplify right side
    264,651.57x = 52,516,478,948.81
  5. Step 5: Solve for x
    x = 52,516,478,948.81/264,651.57
  6. Step 6: Final answer
    x = 198,436.30

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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.