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Finding the Fourth Proportional to 64,231.16, 88,563.50 and 51,474.12

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Solution

The fourth proportional to 64,231.16, 88,563.50 and 51,474.12 is: 70,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,231.16 : 88,563.50 = 51,474.12 : x
  2. Step 2: Convert to fraction form
    64,231.16/88,563.50 = 51,474.12/x
  3. Step 3: Cross multiply
    64,231.16x = 88,563.50 × 51,474.12
  4. Step 4: Simplify right side
    64,231.16x = 4,558,728,511.43
  5. Step 5: Solve for x
    x = 4,558,728,511.43/64,231.16
  6. Step 6: Final answer
    x = 70,973.78

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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.