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Finding the Fourth Proportional to 173,163.40, 259,720.80 and 54,846.70

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Solution

The fourth proportional to 173,163.40, 259,720.80 and 54,846.70 is: 82,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,163.40 : 259,720.80 = 54,846.70 : x
  2. Step 2: Convert to fraction form
    173,163.40/259,720.80 = 54,846.70/x
  3. Step 3: Cross multiply
    173,163.40x = 259,720.80 × 54,846.70
  4. Step 4: Simplify right side
    173,163.40x = 14,244,828,801.36
  5. Step 5: Solve for x
    x = 14,244,828,801.36/173,163.40
  6. Step 6: Final answer
    x = 82,262.35

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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.