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Finding the Fourth Proportional to 80,603.74, 111,232.74 and 44,306.02

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Solution

The fourth proportional to 80,603.74, 111,232.74 and 44,306.02 is: 61,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,603.74 : 111,232.74 = 44,306.02 : x
  2. Step 2: Convert to fraction form
    80,603.74/111,232.74 = 44,306.02/x
  3. Step 3: Cross multiply
    80,603.74x = 111,232.74 × 44,306.02
  4. Step 4: Simplify right side
    80,603.74x = 4,928,280,003.09
  5. Step 5: Solve for x
    x = 4,928,280,003.09/80,603.74
  6. Step 6: Final answer
    x = 61,142.08

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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.