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Finding the Fourth Proportional to 218,523.96, 301,581.63 and 123,049.26

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Solution

The fourth proportional to 218,523.96, 301,581.63 and 123,049.26 is: 169,818.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,523.96 : 301,581.63 = 123,049.26 : x
  2. Step 2: Convert to fraction form
    218,523.96/301,581.63 = 123,049.26/x
  3. Step 3: Cross multiply
    218,523.96x = 301,581.63 × 123,049.26
  4. Step 4: Simplify right side
    218,523.96x = 37,109,396,401.09
  5. Step 5: Solve for x
    x = 37,109,396,401.09/218,523.96
  6. Step 6: Final answer
    x = 169,818.43

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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.