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Finding the Fourth Proportional to 67,978,535.44, 102,014,895.48 and 27,033,778.48

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Solution

The fourth proportional to 67,978,535.44, 102,014,895.48 and 27,033,778.48 is: 40,569,395.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,978,535.44 : 102,014,895.48 = 27,033,778.48 : x
  2. Step 2: Convert to fraction form
    67,978,535.44/102,014,895.48 = 27,033,778.48/x
  3. Step 3: Cross multiply
    67,978,535.44x = 102,014,895.48 × 27,033,778.48
  4. Step 4: Simplify right side
    67,978,535.44x = 2,757,848,086,066,673.50
  5. Step 5: Solve for x
    x = 2,757,848,086,066,673.50/67,978,535.44
  6. Step 6: Final answer
    x = 40,569,395.45

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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.