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Finding the Fourth Proportional to 74,115, 111,184.02 and 24,878.52

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Solution

The fourth proportional to 74,115, 111,184.02 and 24,878.52 is: 37,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,115 : 111,184.02 = 24,878.52 : x
  2. Step 2: Convert to fraction form
    74,115/111,184.02 = 24,878.52/x
  3. Step 3: Cross multiply
    74,115x = 111,184.02 × 24,878.52
  4. Step 4: Simplify right side
    74,115x = 2,766,093,865.25
  5. Step 5: Solve for x
    x = 2,766,093,865.25/74,115
  6. Step 6: Final answer
    x = 37,321.65

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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.