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Finding the Fourth Proportional to 192,081.32, 288,111.04 and 58,961.36

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Solution

The fourth proportional to 192,081.32, 288,111.04 and 58,961.36 is: 88,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,081.32 : 288,111.04 = 58,961.36 : x
  2. Step 2: Convert to fraction form
    192,081.32/288,111.04 = 58,961.36/x
  3. Step 3: Cross multiply
    192,081.32x = 288,111.04 × 58,961.36
  4. Step 4: Simplify right side
    192,081.32x = 16,987,418,749.41
  5. Step 5: Solve for x
    x = 16,987,418,749.41/192,081.32
  6. Step 6: Final answer
    x = 88,438.68

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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.