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Finding the Fourth Proportional to 263,106.67, 394,680.52 and 94,648.90

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Solution

The fourth proportional to 263,106.67, 394,680.52 and 94,648.90 is: 141,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,106.67 : 394,680.52 = 94,648.90 : x
  2. Step 2: Convert to fraction form
    263,106.67/394,680.52 = 94,648.90/x
  3. Step 3: Cross multiply
    263,106.67x = 394,680.52 × 94,648.90
  4. Step 4: Simplify right side
    263,106.67x = 37,356,076,201.04
  5. Step 5: Solve for x
    x = 37,356,076,201.04/263,106.67
  6. Step 6: Final answer
    x = 141,980.73

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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.