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Finding the Fourth Proportional to 173,166.40, 259,725.30 and 54,849.70

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Solution

The fourth proportional to 173,166.40, 259,725.30 and 54,849.70 is: 82,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,166.40 : 259,725.30 = 54,849.70 : x
  2. Step 2: Convert to fraction form
    173,166.40/259,725.30 = 54,849.70/x
  3. Step 3: Cross multiply
    173,166.40x = 259,725.30 × 54,849.70
  4. Step 4: Simplify right side
    173,166.40x = 14,245,854,787.41
  5. Step 5: Solve for x
    x = 14,245,854,787.41/173,166.40
  6. Step 6: Final answer
    x = 82,266.85

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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.