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Finding the Fourth Proportional to 239,592, 330,638.52 and 132,164.94

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Solution

The fourth proportional to 239,592, 330,638.52 and 132,164.94 is: 182,388.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,592 : 330,638.52 = 132,164.94 : x
  2. Step 2: Convert to fraction form
    239,592/330,638.52 = 132,164.94/x
  3. Step 3: Cross multiply
    239,592x = 330,638.52 × 132,164.94
  4. Step 4: Simplify right side
    239,592x = 43,698,820,157.49
  5. Step 5: Solve for x
    x = 43,698,820,157.49/239,592
  6. Step 6: Final answer
    x = 182,388.48

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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.