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Finding the Fourth Proportional to 181,203.73, 250,067.47 and 100,632.60

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Solution

The fourth proportional to 181,203.73, 250,067.47 and 100,632.60 is: 138,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,203.73 : 250,067.47 = 100,632.60 : x
  2. Step 2: Convert to fraction form
    181,203.73/250,067.47 = 100,632.60/x
  3. Step 3: Cross multiply
    181,203.73x = 250,067.47 × 100,632.60
  4. Step 4: Simplify right side
    181,203.73x = 25,164,937,928.02
  5. Step 5: Solve for x
    x = 25,164,937,928.02/181,203.73
  6. Step 6: Final answer
    x = 138,876.49

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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.