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Finding the Fourth Proportional to 67,343.82, 101,083.77 and 60,724.50

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Solution

The fourth proportional to 67,343.82, 101,083.77 and 60,724.50 is: 91,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,343.82 : 101,083.77 = 60,724.50 : x
  2. Step 2: Convert to fraction form
    67,343.82/101,083.77 = 60,724.50/x
  3. Step 3: Cross multiply
    67,343.82x = 101,083.77 × 60,724.50
  4. Step 4: Simplify right side
    67,343.82x = 6,138,261,391.37
  5. Step 5: Solve for x
    x = 6,138,261,391.37/67,343.82
  6. Step 6: Final answer
    x = 91,148.10

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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.