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Finding the Fourth Proportional to 59,981.56, 89,487.36 and 54,003.22

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Solution

The fourth proportional to 59,981.56, 89,487.36 and 54,003.22 is: 80,568.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,981.56 : 89,487.36 = 54,003.22 : x
  2. Step 2: Convert to fraction form
    59,981.56/89,487.36 = 54,003.22/x
  3. Step 3: Cross multiply
    59,981.56x = 89,487.36 × 54,003.22
  4. Step 4: Simplify right side
    59,981.56x = 4,832,605,589.30
  5. Step 5: Solve for x
    x = 4,832,605,589.30/59,981.56
  6. Step 6: Final answer
    x = 80,568.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.