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Finding the Fourth Proportional to 74,251.62, 111,314.88 and 50,492.61

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Solution

The fourth proportional to 74,251.62, 111,314.88 and 50,492.61 is: 75,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,251.62 : 111,314.88 = 50,492.61 : x
  2. Step 2: Convert to fraction form
    74,251.62/111,314.88 = 50,492.61/x
  3. Step 3: Cross multiply
    74,251.62x = 111,314.88 × 50,492.61
  4. Step 4: Simplify right side
    74,251.62x = 5,620,578,823.04
  5. Step 5: Solve for x
    x = 5,620,578,823.04/74,251.62
  6. Step 6: Final answer
    x = 75,696.38

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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.