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Finding the Fourth Proportional to 243,760.96, 365,590.24 and 68,616

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Solution

The fourth proportional to 243,760.96, 365,590.24 and 68,616 is: 102,909.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,760.96 : 365,590.24 = 68,616 : x
  2. Step 2: Convert to fraction form
    243,760.96/365,590.24 = 68,616/x
  3. Step 3: Cross multiply
    243,760.96x = 365,590.24 × 68,616
  4. Step 4: Simplify right side
    243,760.96x = 25,085,339,907.84
  5. Step 5: Solve for x
    x = 25,085,339,907.84/243,760.96
  6. Step 6: Final answer
    x = 102,909.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.