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Finding the Fourth Proportional to 239,706.53, 330,795.98 and 132,279.66

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Solution

The fourth proportional to 239,706.53, 330,795.98 and 132,279.66 is: 182,546.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,706.53 : 330,795.98 = 132,279.66 : x
  2. Step 2: Convert to fraction form
    239,706.53/330,795.98 = 132,279.66/x
  3. Step 3: Cross multiply
    239,706.53x = 330,795.98 × 132,279.66
  4. Step 4: Simplify right side
    239,706.53x = 43,757,579,102.37
  5. Step 5: Solve for x
    x = 43,757,579,102.37/239,706.53
  6. Step 6: Final answer
    x = 182,546.47

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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.