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Finding the Fourth Proportional to 73,356.84, 110,035.26 and 20,766.60

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Solution

The fourth proportional to 73,356.84, 110,035.26 and 20,766.60 is: 31,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,356.84 : 110,035.26 = 20,766.60 : x
  2. Step 2: Convert to fraction form
    73,356.84/110,035.26 = 20,766.60/x
  3. Step 3: Cross multiply
    73,356.84x = 110,035.26 × 20,766.60
  4. Step 4: Simplify right side
    73,356.84x = 2,285,058,230.32
  5. Step 5: Solve for x
    x = 2,285,058,230.32/73,356.84
  6. Step 6: Final answer
    x = 31,149.90

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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.