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Finding the Fourth Proportional to 168,005.46, 231,847.52 and 92,553.96

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Solution

The fourth proportional to 168,005.46, 231,847.52 and 92,553.96 is: 127,724.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,005.46 : 231,847.52 = 92,553.96 : x
  2. Step 2: Convert to fraction form
    168,005.46/231,847.52 = 92,553.96/x
  3. Step 3: Cross multiply
    168,005.46x = 231,847.52 × 92,553.96
  4. Step 4: Simplify right side
    168,005.46x = 21,458,406,323.56
  5. Step 5: Solve for x
    x = 21,458,406,323.56/168,005.46
  6. Step 6: Final answer
    x = 127,724.46

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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.