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Finding the Fourth Proportional to 71,110.98, 106,724.79 and 36,060.66

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Solution

The fourth proportional to 71,110.98, 106,724.79 and 36,060.66 is: 54,120.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,110.98 : 106,724.79 = 36,060.66 : x
  2. Step 2: Convert to fraction form
    71,110.98/106,724.79 = 36,060.66/x
  3. Step 3: Cross multiply
    71,110.98x = 106,724.79 × 36,060.66
  4. Step 4: Simplify right side
    71,110.98x = 3,848,566,365.76
  5. Step 5: Solve for x
    x = 3,848,566,365.76/71,110.98
  6. Step 6: Final answer
    x = 54,120.56

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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.