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Finding the Fourth Proportional to 222,276.96, 306,734.64 and 126,814.56

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Solution

The fourth proportional to 222,276.96, 306,734.64 and 126,814.56 is: 174,999.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,276.96 : 306,734.64 = 126,814.56 : x
  2. Step 2: Convert to fraction form
    222,276.96/306,734.64 = 126,814.56/x
  3. Step 3: Cross multiply
    222,276.96x = 306,734.64 × 126,814.56
  4. Step 4: Simplify right side
    222,276.96x = 38,898,418,408.36
  5. Step 5: Solve for x
    x = 38,898,418,408.36/222,276.96
  6. Step 6: Final answer
    x = 174,999.78

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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.