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Finding the Fourth Proportional to 239,838.01, 330,976.87 and 132,408.22

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Solution

The fourth proportional to 239,838.01, 330,976.87 and 132,408.22 is: 182,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,838.01 : 330,976.87 = 132,408.22 : x
  2. Step 2: Convert to fraction form
    239,838.01/330,976.87 = 132,408.22/x
  3. Step 3: Cross multiply
    239,838.01x = 330,976.87 × 132,408.22
  4. Step 4: Simplify right side
    239,838.01x = 43,824,056,894.01
  5. Step 5: Solve for x
    x = 43,824,056,894.01/239,838.01
  6. Step 6: Final answer
    x = 182,723.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.