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Finding the Fourth Proportional to 73,663.97, 110,606.72 and 44,213.58

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Solution

The fourth proportional to 73,663.97, 110,606.72 and 44,213.58 is: 66,386.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,663.97 : 110,606.72 = 44,213.58 : x
  2. Step 2: Convert to fraction form
    73,663.97/110,606.72 = 44,213.58/x
  3. Step 3: Cross multiply
    73,663.97x = 110,606.72 × 44,213.58
  4. Step 4: Simplify right side
    73,663.97x = 4,890,318,842.19
  5. Step 5: Solve for x
    x = 4,890,318,842.19/73,663.97
  6. Step 6: Final answer
    x = 66,386.85

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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.