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Finding the Fourth Proportional to 251,796.54, 347,499.54 and 144,376.57

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Solution

The fourth proportional to 251,796.54, 347,499.54 and 144,376.57 is: 199,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,796.54 : 347,499.54 = 144,376.57 : x
  2. Step 2: Convert to fraction form
    251,796.54/347,499.54 = 144,376.57/x
  3. Step 3: Cross multiply
    251,796.54x = 347,499.54 × 144,376.57
  4. Step 4: Simplify right side
    251,796.54x = 50,170,790,793.03
  5. Step 5: Solve for x
    x = 50,170,790,793.03/251,796.54
  6. Step 6: Final answer
    x = 199,251.31

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1.5x scale

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.