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Finding the Fourth Proportional to 181,989.72, 251,076.78 and 110,344.68

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Solution

The fourth proportional to 181,989.72, 251,076.78 and 110,344.68 is: 152,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,989.72 : 251,076.78 = 110,344.68 : x
  2. Step 2: Convert to fraction form
    181,989.72/251,076.78 = 110,344.68/x
  3. Step 3: Cross multiply
    181,989.72x = 251,076.78 × 110,344.68
  4. Step 4: Simplify right side
    181,989.72x = 27,704,986,944.53
  5. Step 5: Solve for x
    x = 27,704,986,944.53/181,989.72
  6. Step 6: Final answer
    x = 152,233.80

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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.