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Finding the Fourth Proportional to 239,493.69, 330,482.63 and 132,063.21

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Solution

The fourth proportional to 239,493.69, 330,482.63 and 132,063.21 is: 182,236.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,493.69 : 330,482.63 = 132,063.21 : x
  2. Step 2: Convert to fraction form
    239,493.69/330,482.63 = 132,063.21/x
  3. Step 3: Cross multiply
    239,493.69x = 330,482.63 × 132,063.21
  4. Step 4: Simplify right side
    239,493.69x = 43,644,596,306.73
  5. Step 5: Solve for x
    x = 43,644,596,306.73/239,493.69
  6. Step 6: Final answer
    x = 182,236.94

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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.