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Finding the Fourth Proportional to 61,229.91, 91,845.84 and 23,279.76

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Solution

The fourth proportional to 61,229.91, 91,845.84 and 23,279.76 is: 34,920.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,229.91 : 91,845.84 = 23,279.76 : x
  2. Step 2: Convert to fraction form
    61,229.91/91,845.84 = 23,279.76/x
  3. Step 3: Cross multiply
    61,229.91x = 91,845.84 × 23,279.76
  4. Step 4: Simplify right side
    61,229.91x = 2,138,148,709.18
  5. Step 5: Solve for x
    x = 2,138,148,709.18/61,229.91
  6. Step 6: Final answer
    x = 34,920.01

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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.