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Finding the Fourth Proportional to 231,250.38, 346,879.41 and 81,492.48

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Solution

The fourth proportional to 231,250.38, 346,879.41 and 81,492.48 is: 122,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,250.38 : 346,879.41 = 81,492.48 : x
  2. Step 2: Convert to fraction form
    231,250.38/346,879.41 = 81,492.48/x
  3. Step 3: Cross multiply
    231,250.38x = 346,879.41 × 81,492.48
  4. Step 4: Simplify right side
    231,250.38x = 28,268,063,076.24
  5. Step 5: Solve for x
    x = 28,268,063,076.24/231,250.38
  6. Step 6: Final answer
    x = 122,240.07

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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.