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Finding the Fourth Proportional to 67,778.16, 101,670.48 and 32,747.28

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Solution

The fourth proportional to 67,778.16, 101,670.48 and 32,747.28 is: 49,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,778.16 : 101,670.48 = 32,747.28 : x
  2. Step 2: Convert to fraction form
    67,778.16/101,670.48 = 32,747.28/x
  3. Step 3: Cross multiply
    67,778.16x = 101,670.48 × 32,747.28
  4. Step 4: Simplify right side
    67,778.16x = 3,329,431,676.29
  5. Step 5: Solve for x
    x = 3,329,431,676.29/67,778.16
  6. Step 6: Final answer
    x = 49,122.49

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