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Finding the Fourth Proportional to 138,794.00, 208,190.31 and 33,612.96

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Solution

The fourth proportional to 138,794.00, 208,190.31 and 33,612.96 is: 50,419.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,794.00 : 208,190.31 = 33,612.96 : x
  2. Step 2: Convert to fraction form
    138,794.00/208,190.31 = 33,612.96/x
  3. Step 3: Cross multiply
    138,794.00x = 208,190.31 × 33,612.96
  4. Step 4: Simplify right side
    138,794.00x = 6,997,892,562.42
  5. Step 5: Solve for x
    x = 6,997,892,562.42/138,794.00
  6. Step 6: Final answer
    x = 50,419.27

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1.5x scale

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.