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Finding the Fourth Proportional to 222,085.44, 306,485.84 and 126,576.72

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Solution

The fourth proportional to 222,085.44, 306,485.84 and 126,576.72 is: 174,680.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,085.44 : 306,485.84 = 126,576.72 : x
  2. Step 2: Convert to fraction form
    222,085.44/306,485.84 = 126,576.72/x
  3. Step 3: Cross multiply
    222,085.44x = 306,485.84 × 126,576.72
  4. Step 4: Simplify right side
    222,085.44x = 38,793,972,353.64
  5. Step 5: Solve for x
    x = 38,793,972,353.64/222,085.44
  6. Step 6: Final answer
    x = 174,680.39

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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.