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Finding the Fourth Proportional to 181,995.71, 272,994.26 and 55,635.48

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Solution

The fourth proportional to 181,995.71, 272,994.26 and 55,635.48 is: 83,453.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,995.71 : 272,994.26 = 55,635.48 : x
  2. Step 2: Convert to fraction form
    181,995.71/272,994.26 = 55,635.48/x
  3. Step 3: Cross multiply
    181,995.71x = 272,994.26 × 55,635.48
  4. Step 4: Simplify right side
    181,995.71x = 15,188,166,414.17
  5. Step 5: Solve for x
    x = 15,188,166,414.17/181,995.71
  6. Step 6: Final answer
    x = 83,453.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.