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Finding the Fourth Proportional to 70,187.10, 96,858.84 and 38,356.66

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Solution

The fourth proportional to 70,187.10, 96,858.84 and 38,356.66 is: 52,932.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,187.10 : 96,858.84 = 38,356.66 : x
  2. Step 2: Convert to fraction form
    70,187.10/96,858.84 = 38,356.66/x
  3. Step 3: Cross multiply
    70,187.10x = 96,858.84 × 38,356.66
  4. Step 4: Simplify right side
    70,187.10x = 3,715,181,593.87
  5. Step 5: Solve for x
    x = 3,715,181,593.87/70,187.10
  6. Step 6: Final answer
    x = 52,932.54

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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.