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Finding the Fourth Proportional to 264,757.11, 365,368.51 and 143,898.36

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Solution

The fourth proportional to 264,757.11, 365,368.51 and 143,898.36 is: 198,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,757.11 : 365,368.51 = 143,898.36 : x
  2. Step 2: Convert to fraction form
    264,757.11/365,368.51 = 143,898.36/x
  3. Step 3: Cross multiply
    264,757.11x = 365,368.51 × 143,898.36
  4. Step 4: Simplify right side
    264,757.11x = 52,575,930,234.17
  5. Step 5: Solve for x
    x = 52,575,930,234.17/264,757.11
  6. Step 6: Final answer
    x = 198,581.75

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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.