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Finding the Fourth Proportional to 68,773.24, 94,680.36 and 59,816

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Solution

The fourth proportional to 68,773.24, 94,680.36 and 59,816 is: 82,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,773.24 : 94,680.36 = 59,816 : x
  2. Step 2: Convert to fraction form
    68,773.24/94,680.36 = 59,816/x
  3. Step 3: Cross multiply
    68,773.24x = 94,680.36 × 59,816
  4. Step 4: Simplify right side
    68,773.24x = 5,663,400,413.76
  5. Step 5: Solve for x
    x = 5,663,400,413.76/68,773.24
  6. Step 6: Final answer
    x = 82,348.90

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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.