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Finding the Fourth Proportional to 181,785.52, 272,551.14 and 80,534.26

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Solution

The fourth proportional to 181,785.52, 272,551.14 and 80,534.26 is: 120,745.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,785.52 : 272,551.14 = 80,534.26 : x
  2. Step 2: Convert to fraction form
    181,785.52/272,551.14 = 80,534.26/x
  3. Step 3: Cross multiply
    181,785.52x = 272,551.14 × 80,534.26
  4. Step 4: Simplify right side
    181,785.52x = 21,949,704,372.06
  5. Step 5: Solve for x
    x = 21,949,704,372.06/181,785.52
  6. Step 6: Final answer
    x = 120,745.06

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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.