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Finding the Fourth Proportional to 67,279.93, 100,928.69 and 22,894.76

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Solution

The fourth proportional to 67,279.93, 100,928.69 and 22,894.76 is: 34,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,279.93 : 100,928.69 = 22,894.76 : x
  2. Step 2: Convert to fraction form
    67,279.93/100,928.69 = 22,894.76/x
  3. Step 3: Cross multiply
    67,279.93x = 100,928.69 × 22,894.76
  4. Step 4: Simplify right side
    67,279.93x = 2,310,738,134.66
  5. Step 5: Solve for x
    x = 2,310,738,134.66/67,279.93
  6. Step 6: Final answer
    x = 34,345.13

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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.