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Finding the Fourth Proportional to 193,373.78, 266,851.67 and 107,327.73

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Solution

The fourth proportional to 193,373.78, 266,851.67 and 107,327.73 is: 148,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,373.78 : 266,851.67 = 107,327.73 : x
  2. Step 2: Convert to fraction form
    193,373.78/266,851.67 = 107,327.73/x
  3. Step 3: Cross multiply
    193,373.78x = 266,851.67 × 107,327.73
  4. Step 4: Simplify right side
    193,373.78x = 28,640,584,451.86
  5. Step 5: Solve for x
    x = 28,640,584,451.86/193,373.78
  6. Step 6: Final answer
    x = 148,109.97

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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.