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Finding the Fourth Proportional to 181,937.73, 251,072.40 and 101,363.79

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Solution

The fourth proportional to 181,937.73, 251,072.40 and 101,363.79 is: 139,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,937.73 : 251,072.40 = 101,363.79 : x
  2. Step 2: Convert to fraction form
    181,937.73/251,072.40 = 101,363.79/x
  3. Step 3: Cross multiply
    181,937.73x = 251,072.40 × 101,363.79
  4. Step 4: Simplify right side
    181,937.73x = 25,449,650,028.40
  5. Step 5: Solve for x
    x = 25,449,650,028.40/181,937.73
  6. Step 6: Final answer
    x = 139,881.10

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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.