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Finding the Fourth Proportional to 91,268.56, 126,594.96 and 88,840.96

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Solution

The fourth proportional to 91,268.56, 126,594.96 and 88,840.96 is: 123,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,268.56 : 126,594.96 = 88,840.96 : x
  2. Step 2: Convert to fraction form
    91,268.56/126,594.96 = 88,840.96/x
  3. Step 3: Cross multiply
    91,268.56x = 126,594.96 × 88,840.96
  4. Step 4: Simplify right side
    91,268.56x = 11,246,817,777.56
  5. Step 5: Solve for x
    x = 11,246,817,777.56/91,268.56
  6. Step 6: Final answer
    x = 123,227.73

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.