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Finding the Fourth Proportional to 67,616.52, 93,279.78 and 43,750.98

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Solution

The fourth proportional to 67,616.52, 93,279.78 and 43,750.98 is: 60,356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,616.52 : 93,279.78 = 43,750.98 : x
  2. Step 2: Convert to fraction form
    67,616.52/93,279.78 = 43,750.98/x
  3. Step 3: Cross multiply
    67,616.52x = 93,279.78 × 43,750.98
  4. Step 4: Simplify right side
    67,616.52x = 4,081,081,789.18
  5. Step 5: Solve for x
    x = 4,081,081,789.18/67,616.52
  6. Step 6: Final answer
    x = 60,356.28

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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.