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Finding the Fourth Proportional to 222,087.44, 306,472.52 and 126,575.67

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Solution

The fourth proportional to 222,087.44, 306,472.52 and 126,575.67 is: 174,669.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,087.44 : 306,472.52 = 126,575.67 : x
  2. Step 2: Convert to fraction form
    222,087.44/306,472.52 = 126,575.67/x
  3. Step 3: Cross multiply
    222,087.44x = 306,472.52 × 126,575.67
  4. Step 4: Simplify right side
    222,087.44x = 38,791,963,922.71
  5. Step 5: Solve for x
    x = 38,791,963,922.71/222,087.44
  6. Step 6: Final answer
    x = 174,669.78

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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.