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Finding the Fourth Proportional to 73,065.78, 109,574.07 and 58,992.44

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Solution

The fourth proportional to 73,065.78, 109,574.07 and 58,992.44 is: 88,468.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,065.78 : 109,574.07 = 58,992.44 : x
  2. Step 2: Convert to fraction form
    73,065.78/109,574.07 = 58,992.44/x
  3. Step 3: Cross multiply
    73,065.78x = 109,574.07 × 58,992.44
  4. Step 4: Simplify right side
    73,065.78x = 6,464,040,980.94
  5. Step 5: Solve for x
    x = 6,464,040,980.94/73,065.78
  6. Step 6: Final answer
    x = 88,468.79

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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.