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Finding the Fourth Proportional to 173,143.17, 259,736.72 and 54,771.75

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Solution

The fourth proportional to 173,143.17, 259,736.72 and 54,771.75 is: 82,164.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,143.17 : 259,736.72 = 54,771.75 : x
  2. Step 2: Convert to fraction form
    173,143.17/259,736.72 = 54,771.75/x
  3. Step 3: Cross multiply
    173,143.17x = 259,736.72 × 54,771.75
  4. Step 4: Simplify right side
    173,143.17x = 14,226,234,419.80
  5. Step 5: Solve for x
    x = 14,226,234,419.80/173,143.17
  6. Step 6: Final answer
    x = 82,164.57

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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.