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Finding the Fourth Proportional to 59,551.56, 89,317.62 and 20,107.80

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Solution

The fourth proportional to 59,551.56, 89,317.62 and 20,107.80 is: 30,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,551.56 : 89,317.62 = 20,107.80 : x
  2. Step 2: Convert to fraction form
    59,551.56/89,317.62 = 20,107.80/x
  3. Step 3: Cross multiply
    59,551.56x = 89,317.62 × 20,107.80
  4. Step 4: Simplify right side
    59,551.56x = 1,795,980,839.44
  5. Step 5: Solve for x
    x = 1,795,980,839.44/59,551.56
  6. Step 6: Final answer
    x = 30,158.42

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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.