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Finding the Fourth Proportional to 251,906.96, 347,663.39 and 144,474.69

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Solution

The fourth proportional to 251,906.96, 347,663.39 and 144,474.69 is: 199,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,906.96 : 347,663.39 = 144,474.69 : x
  2. Step 2: Convert to fraction form
    251,906.96/347,663.39 = 144,474.69/x
  3. Step 3: Cross multiply
    251,906.96x = 347,663.39 × 144,474.69
  4. Step 4: Simplify right side
    251,906.96x = 50,228,559,933.03
  5. Step 5: Solve for x
    x = 50,228,559,933.03/251,906.96
  6. Step 6: Final answer
    x = 199,393.30

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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.