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Finding the Fourth Proportional to 65,168.75, 89,934.24 and 36,874.44

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Solution

The fourth proportional to 65,168.75, 89,934.24 and 36,874.44 is: 50,887.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,168.75 : 89,934.24 = 36,874.44 : x
  2. Step 2: Convert to fraction form
    65,168.75/89,934.24 = 36,874.44/x
  3. Step 3: Cross multiply
    65,168.75x = 89,934.24 × 36,874.44
  4. Step 4: Simplify right side
    65,168.75x = 3,316,274,736.83
  5. Step 5: Solve for x
    x = 3,316,274,736.83/65,168.75
  6. Step 6: Final answer
    x = 50,887.50

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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.