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Finding the Fourth Proportional to 134,775.44, 202,179 and 55,879.76

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Solution

The fourth proportional to 134,775.44, 202,179 and 55,879.76 is: 83,826.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,775.44 : 202,179 = 55,879.76 : x
  2. Step 2: Convert to fraction form
    134,775.44/202,179 = 55,879.76/x
  3. Step 3: Cross multiply
    134,775.44x = 202,179 × 55,879.76
  4. Step 4: Simplify right side
    134,775.44x = 11,297,713,997.04
  5. Step 5: Solve for x
    x = 11,297,713,997.04/134,775.44
  6. Step 6: Final answer
    x = 83,826.21

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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.