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Finding the Fourth Proportional to 203,227.92, 280,427.94 and 117,190.08

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Solution

The fourth proportional to 203,227.92, 280,427.94 and 117,190.08 is: 161,706.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,227.92 : 280,427.94 = 117,190.08 : x
  2. Step 2: Convert to fraction form
    203,227.92/280,427.94 = 117,190.08/x
  3. Step 3: Cross multiply
    203,227.92x = 280,427.94 × 117,190.08
  4. Step 4: Simplify right side
    203,227.92x = 32,863,372,722.84
  5. Step 5: Solve for x
    x = 32,863,372,722.84/203,227.92
  6. Step 6: Final answer
    x = 161,706.98

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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.