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Finding the Fourth Proportional to 123,958.44, 185,961.60 and 52,879.86

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Solution

The fourth proportional to 123,958.44, 185,961.60 and 52,879.86 is: 79,330.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,958.44 : 185,961.60 = 52,879.86 : x
  2. Step 2: Convert to fraction form
    123,958.44/185,961.60 = 52,879.86/x
  3. Step 3: Cross multiply
    123,958.44x = 185,961.60 × 52,879.86
  4. Step 4: Simplify right side
    123,958.44x = 9,833,623,373.38
  5. Step 5: Solve for x
    x = 9,833,623,373.38/123,958.44
  6. Step 6: Final answer
    x = 79,330.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.