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Finding the Fourth Proportional to 65,131.52, 89,849.04 and 43,873.88

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Solution

The fourth proportional to 65,131.52, 89,849.04 and 43,873.88 is: 60,524.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,131.52 : 89,849.04 = 43,873.88 : x
  2. Step 2: Convert to fraction form
    65,131.52/89,849.04 = 43,873.88/x
  3. Step 3: Cross multiply
    65,131.52x = 89,849.04 × 43,873.88
  4. Step 4: Simplify right side
    65,131.52x = 3,942,025,999.08
  5. Step 5: Solve for x
    x = 3,942,025,999.08/65,131.52
  6. Step 6: Final answer
    x = 60,524.09

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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.