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Finding the Fourth Proportional to 269,842.73, 404,762.13 and 89,941.86

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Solution

The fourth proportional to 269,842.73, 404,762.13 and 89,941.86 is: 134,912.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,842.73 : 404,762.13 = 89,941.86 : x
  2. Step 2: Convert to fraction form
    269,842.73/404,762.13 = 89,941.86/x
  3. Step 3: Cross multiply
    269,842.73x = 404,762.13 × 89,941.86
  4. Step 4: Simplify right side
    269,842.73x = 36,405,058,829.76
  5. Step 5: Solve for x
    x = 36,405,058,829.76/269,842.73
  6. Step 6: Final answer
    x = 134,912.14

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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.