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Finding the Fourth Proportional to 173,223.30, 259,843.05 and 54,903.90

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Solution

The fourth proportional to 173,223.30, 259,843.05 and 54,903.90 is: 82,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,223.30 : 259,843.05 = 54,903.90 : x
  2. Step 2: Convert to fraction form
    173,223.30/259,843.05 = 54,903.90/x
  3. Step 3: Cross multiply
    173,223.30x = 259,843.05 × 54,903.90
  4. Step 4: Simplify right side
    173,223.30x = 14,266,396,832.90
  5. Step 5: Solve for x
    x = 14,266,396,832.90/173,223.30
  6. Step 6: Final answer
    x = 82,358.42

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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.