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Finding the Fourth Proportional to 181,954.74, 251,094.20 and 101,380.53

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Solution

The fourth proportional to 181,954.74, 251,094.20 and 101,380.53 is: 139,903.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,954.74 : 251,094.20 = 101,380.53 : x
  2. Step 2: Convert to fraction form
    181,954.74/251,094.20 = 101,380.53/x
  3. Step 3: Cross multiply
    181,954.74x = 251,094.20 × 101,380.53
  4. Step 4: Simplify right side
    181,954.74x = 25,456,062,569.02
  5. Step 5: Solve for x
    x = 25,456,062,569.02/181,954.74
  6. Step 6: Final answer
    x = 139,903.27

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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.