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Finding the Fourth Proportional to 68,846.77, 102,993.99 and 59,587.57

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Solution

The fourth proportional to 68,846.77, 102,993.99 and 59,587.57 is: 89,142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,846.77 : 102,993.99 = 59,587.57 : x
  2. Step 2: Convert to fraction form
    68,846.77/102,993.99 = 59,587.57/x
  3. Step 3: Cross multiply
    68,846.77x = 102,993.99 × 59,587.57
  4. Step 4: Simplify right side
    68,846.77x = 6,137,161,588.70
  5. Step 5: Solve for x
    x = 6,137,161,588.70/68,846.77
  6. Step 6: Final answer
    x = 89,142.33

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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.