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Finding the Fourth Proportional to 68,376.78, 94,327.61 and 44,494.74

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Solution

The fourth proportional to 68,376.78, 94,327.61 and 44,494.74 is: 61,381.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,376.78 : 94,327.61 = 44,494.74 : x
  2. Step 2: Convert to fraction form
    68,376.78/94,327.61 = 44,494.74/x
  3. Step 3: Cross multiply
    68,376.78x = 94,327.61 × 44,494.74
  4. Step 4: Simplify right side
    68,376.78x = 4,197,082,259.30
  5. Step 5: Solve for x
    x = 4,197,082,259.30/68,376.78
  6. Step 6: Final answer
    x = 61,381.69

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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.