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Finding the Fourth Proportional to 74,120, 111,191.52 and 24,883.52

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Solution

The fourth proportional to 74,120, 111,191.52 and 24,883.52 is: 37,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,120 : 111,191.52 = 24,883.52 : x
  2. Step 2: Convert to fraction form
    74,120/111,191.52 = 24,883.52/x
  3. Step 3: Cross multiply
    74,120x = 111,191.52 × 24,883.52
  4. Step 4: Simplify right side
    74,120x = 2,766,836,411.75
  5. Step 5: Solve for x
    x = 2,766,836,411.75/74,120
  6. Step 6: Final answer
    x = 37,329.15

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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.