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Finding the Fourth Proportional to 181,954.26, 272,972.93 and 55,612.48

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Solution

The fourth proportional to 181,954.26, 272,972.93 and 55,612.48 is: 83,431.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,954.26 : 272,972.93 = 55,612.48 : x
  2. Step 2: Convert to fraction form
    181,954.26/272,972.93 = 55,612.48/x
  3. Step 3: Cross multiply
    181,954.26x = 272,972.93 × 55,612.48
  4. Step 4: Simplify right side
    181,954.26x = 15,180,701,610.17
  5. Step 5: Solve for x
    x = 15,180,701,610.17/181,954.26
  6. Step 6: Final answer
    x = 83,431.42

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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.