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Finding the Fourth Proportional to 181,912.96, 251,047.42 and 101,340.44

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Solution

The fourth proportional to 181,912.96, 251,047.42 and 101,340.44 is: 139,854.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,912.96 : 251,047.42 = 101,340.44 : x
  2. Step 2: Convert to fraction form
    181,912.96/251,047.42 = 101,340.44/x
  3. Step 3: Cross multiply
    181,912.96x = 251,047.42 × 101,340.44
  4. Step 4: Simplify right side
    181,912.96x = 25,441,256,003.66
  5. Step 5: Solve for x
    x = 25,441,256,003.66/181,912.96
  6. Step 6: Final answer
    x = 139,854.00

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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.