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Finding the Fourth Proportional to 182,161.43, 251,383.00 and 100,487.84

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Solution

The fourth proportional to 182,161.43, 251,383.00 and 100,487.84 is: 138,673.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,161.43 : 251,383.00 = 100,487.84 : x
  2. Step 2: Convert to fraction form
    182,161.43/251,383.00 = 100,487.84/x
  3. Step 3: Cross multiply
    182,161.43x = 251,383.00 × 100,487.84
  4. Step 4: Simplify right side
    182,161.43x = 25,260,933,551.41
  5. Step 5: Solve for x
    x = 25,260,933,551.41/182,161.43
  6. Step 6: Final answer
    x = 138,673.34

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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.