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Finding the Fourth Proportional to 264,747.70, 365,354.22 and 143,889.27

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Solution

The fourth proportional to 264,747.70, 365,354.22 and 143,889.27 is: 198,568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,747.70 : 365,354.22 = 143,889.27 : x
  2. Step 2: Convert to fraction form
    264,747.70/365,354.22 = 143,889.27/x
  3. Step 3: Cross multiply
    264,747.70x = 365,354.22 × 143,889.27
  4. Step 4: Simplify right side
    264,747.70x = 52,570,552,007.22
  5. Step 5: Solve for x
    x = 52,570,552,007.22/264,747.70
  6. Step 6: Final answer
    x = 198,568.50

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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.