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Finding the Fourth Proportional to 203,761.32, 305,608.44 and 54,010.92

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Solution

The fourth proportional to 203,761.32, 305,608.44 and 54,010.92 is: 81,007.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,761.32 : 305,608.44 = 54,010.92 : x
  2. Step 2: Convert to fraction form
    203,761.32/305,608.44 = 54,010.92/x
  3. Step 3: Cross multiply
    203,761.32x = 305,608.44 × 54,010.92
  4. Step 4: Simplify right side
    203,761.32x = 16,506,193,004.16
  5. Step 5: Solve for x
    x = 16,506,193,004.16/203,761.32
  6. Step 6: Final answer
    x = 81,007.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.