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Finding the Fourth Proportional to 80,603.71, 111,229.71 and 44,795.94

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Solution

The fourth proportional to 80,603.71, 111,229.71 and 44,795.94 is: 61,816.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,603.71 : 111,229.71 = 44,795.94 : x
  2. Step 2: Convert to fraction form
    80,603.71/111,229.71 = 44,795.94/x
  3. Step 3: Cross multiply
    80,603.71x = 111,229.71 × 44,795.94
  4. Step 4: Simplify right side
    80,603.71x = 4,982,638,830.28
  5. Step 5: Solve for x
    x = 4,982,638,830.28/80,603.71
  6. Step 6: Final answer
    x = 61,816.50

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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.