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Finding the Fourth Proportional to 173,218.55, 259,849.69 and 54,847.58

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Solution

The fourth proportional to 173,218.55, 259,849.69 and 54,847.58 is: 82,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,218.55 : 259,849.69 = 54,847.58 : x
  2. Step 2: Convert to fraction form
    173,218.55/259,849.69 = 54,847.58/x
  3. Step 3: Cross multiply
    173,218.55x = 259,849.69 × 54,847.58
  4. Step 4: Simplify right side
    173,218.55x = 14,252,125,223.88
  5. Step 5: Solve for x
    x = 14,252,125,223.88/173,218.55
  6. Step 6: Final answer
    x = 82,278.29

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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.