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Finding the Fourth Proportional to 248,505.86, 372,758.81 and 61,517.36

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Solution

The fourth proportional to 248,505.86, 372,758.81 and 61,517.36 is: 92,276.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,505.86 : 372,758.81 = 61,517.36 : x
  2. Step 2: Convert to fraction form
    248,505.86/372,758.81 = 61,517.36/x
  3. Step 3: Cross multiply
    248,505.86x = 372,758.81 × 61,517.36
  4. Step 4: Simplify right side
    248,505.86x = 22,931,135,736.56
  5. Step 5: Solve for x
    x = 22,931,135,736.56/248,505.86
  6. Step 6: Final answer
    x = 92,276.04

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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.