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Finding the Fourth Proportional to 181,238.20, 250,110.42 and 105,772.12

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Solution

The fourth proportional to 181,238.20, 250,110.42 and 105,772.12 is: 145,966.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,238.20 : 250,110.42 = 105,772.12 : x
  2. Step 2: Convert to fraction form
    181,238.20/250,110.42 = 105,772.12/x
  3. Step 3: Cross multiply
    181,238.20x = 250,110.42 × 105,772.12
  4. Step 4: Simplify right side
    181,238.20x = 26,454,709,357.49
  5. Step 5: Solve for x
    x = 26,454,709,357.49/181,238.20
  6. Step 6: Final answer
    x = 145,966.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.