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Finding the Fourth Proportional to 192,581.01, 288,872.19 and 52,339.59

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Solution

The fourth proportional to 192,581.01, 288,872.19 and 52,339.59 is: 78,509.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,581.01 : 288,872.19 = 52,339.59 : x
  2. Step 2: Convert to fraction form
    192,581.01/288,872.19 = 52,339.59/x
  3. Step 3: Cross multiply
    192,581.01x = 288,872.19 × 52,339.59
  4. Step 4: Simplify right side
    192,581.01x = 15,119,451,987.00
  5. Step 5: Solve for x
    x = 15,119,451,987.00/192,581.01
  6. Step 6: Final answer
    x = 78,509.57

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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.