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Finding the Fourth Proportional to 301,081.85, 451,643.52 and 87,846.36

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Solution

The fourth proportional to 301,081.85, 451,643.52 and 87,846.36 is: 131,775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,081.85 : 451,643.52 = 87,846.36 : x
  2. Step 2: Convert to fraction form
    301,081.85/451,643.52 = 87,846.36/x
  3. Step 3: Cross multiply
    301,081.85x = 451,643.52 × 87,846.36
  4. Step 4: Simplify right side
    301,081.85x = 39,675,239,249.59
  5. Step 5: Solve for x
    x = 39,675,239,249.59/301,081.85
  6. Step 6: Final answer
    x = 131,775.59

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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.