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Finding the Fourth Proportional to 264,711.45, 365,300.60 and 143,850.45

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Solution

The fourth proportional to 264,711.45, 365,300.60 and 143,850.45 is: 198,512.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,711.45 : 365,300.60 = 143,850.45 : x
  2. Step 2: Convert to fraction form
    264,711.45/365,300.60 = 143,850.45/x
  3. Step 3: Cross multiply
    264,711.45x = 365,300.60 × 143,850.45
  4. Step 4: Simplify right side
    264,711.45x = 52,548,655,695.27
  5. Step 5: Solve for x
    x = 52,548,655,695.27/264,711.45
  6. Step 6: Final answer
    x = 198,512.97

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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.