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Finding the Fourth Proportional to 239,841.26, 330,981.36 and 132,411.47

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Solution

The fourth proportional to 239,841.26, 330,981.36 and 132,411.47 is: 182,728.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,841.26 : 330,981.36 = 132,411.47 : x
  2. Step 2: Convert to fraction form
    239,841.26/330,981.36 = 132,411.47/x
  3. Step 3: Cross multiply
    239,841.26x = 330,981.36 × 132,411.47
  4. Step 4: Simplify right side
    239,841.26x = 43,825,728,420.20
  5. Step 5: Solve for x
    x = 43,825,728,420.20/239,841.26
  6. Step 6: Final answer
    x = 182,728.06

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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.