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Finding the Fourth Proportional to 85,736.56, 118,347.48 and 69,793.33

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Solution

The fourth proportional to 85,736.56, 118,347.48 and 69,793.33 is: 96,340.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,736.56 : 118,347.48 = 69,793.33 : x
  2. Step 2: Convert to fraction form
    85,736.56/118,347.48 = 69,793.33/x
  3. Step 3: Cross multiply
    85,736.56x = 118,347.48 × 69,793.33
  4. Step 4: Simplify right side
    85,736.56x = 8,259,864,726.31
  5. Step 5: Solve for x
    x = 8,259,864,726.31/85,736.56
  6. Step 6: Final answer
    x = 96,340.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.