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Finding the Fourth Proportional to 68,739.76, 94,832.52 and 44,857.84

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Solution

The fourth proportional to 68,739.76, 94,832.52 and 44,857.84 is: 61,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,739.76 : 94,832.52 = 44,857.84 : x
  2. Step 2: Convert to fraction form
    68,739.76/94,832.52 = 44,857.84/x
  3. Step 3: Cross multiply
    68,739.76x = 94,832.52 × 44,857.84
  4. Step 4: Simplify right side
    68,739.76x = 4,253,982,008.96
  5. Step 5: Solve for x
    x = 4,253,982,008.96/68,739.76
  6. Step 6: Final answer
    x = 61,885.32

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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.