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Finding the Fourth Proportional to 173,019.96, 259,528.39 and 54,691.38

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Solution

The fourth proportional to 173,019.96, 259,528.39 and 54,691.38 is: 82,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,019.96 : 259,528.39 = 54,691.38 : x
  2. Step 2: Convert to fraction form
    173,019.96/259,528.39 = 54,691.38/x
  3. Step 3: Cross multiply
    173,019.96x = 259,528.39 × 54,691.38
  4. Step 4: Simplify right side
    173,019.96x = 14,193,965,661.55
  5. Step 5: Solve for x
    x = 14,193,965,661.55/173,019.96
  6. Step 6: Final answer
    x = 82,036.58

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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.