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Finding the Fourth Proportional to 173,241.40, 259,871.41 and 54,921.97

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Solution

The fourth proportional to 173,241.40, 259,871.41 and 54,921.97 is: 82,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,241.40 : 259,871.41 = 54,921.97 : x
  2. Step 2: Convert to fraction form
    173,241.40/259,871.41 = 54,921.97/x
  3. Step 3: Cross multiply
    173,241.40x = 259,871.41 × 54,921.97
  4. Step 4: Simplify right side
    173,241.40x = 14,272,648,484.52
  5. Step 5: Solve for x
    x = 14,272,648,484.52/173,241.40
  6. Step 6: Final answer
    x = 82,385.90

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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.