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Finding the Fourth Proportional to 67,616.73, 93,279.67 and 43,751.12

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Solution

The fourth proportional to 67,616.73, 93,279.67 and 43,751.12 is: 60,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,616.73 : 93,279.67 = 43,751.12 : x
  2. Step 2: Convert to fraction form
    67,616.73/93,279.67 = 43,751.12/x
  3. Step 3: Cross multiply
    67,616.73x = 93,279.67 × 43,751.12
  4. Step 4: Simplify right side
    67,616.73x = 4,081,089,459.95
  5. Step 5: Solve for x
    x = 4,081,089,459.95/67,616.73
  6. Step 6: Final answer
    x = 60,356.21

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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.