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Finding the Fourth Proportional to 239,840.26, 330,979.98 and 132,410.47

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Solution

The fourth proportional to 239,840.26, 330,979.98 and 132,410.47 is: 182,726.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,840.26 : 330,979.98 = 132,410.47 : x
  2. Step 2: Convert to fraction form
    239,840.26/330,979.98 = 132,410.47/x
  3. Step 3: Cross multiply
    239,840.26x = 330,979.98 × 132,410.47
  4. Step 4: Simplify right side
    239,840.26x = 43,825,214,712.39
  5. Step 5: Solve for x
    x = 43,825,214,712.39/239,840.26
  6. Step 6: Final answer
    x = 182,726.68

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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.