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Finding the Fourth Proportional to 173,808.88, 260,647.70 and 80,249.02

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Solution

The fourth proportional to 173,808.88, 260,647.70 and 80,249.02 is: 120,343.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,808.88 : 260,647.70 = 80,249.02 : x
  2. Step 2: Convert to fraction form
    173,808.88/260,647.70 = 80,249.02/x
  3. Step 3: Cross multiply
    173,808.88x = 260,647.70 × 80,249.02
  4. Step 4: Simplify right side
    173,808.88x = 20,916,722,039.26
  5. Step 5: Solve for x
    x = 20,916,722,039.26/173,808.88
  6. Step 6: Final answer
    x = 120,343.23

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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.