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Finding the Fourth Proportional to 69,007.24, 95,162.34 and 43,813

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Solution

The fourth proportional to 69,007.24, 95,162.34 and 43,813 is: 60,418.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,007.24 : 95,162.34 = 43,813 : x
  2. Step 2: Convert to fraction form
    69,007.24/95,162.34 = 43,813/x
  3. Step 3: Cross multiply
    69,007.24x = 95,162.34 × 43,813
  4. Step 4: Simplify right side
    69,007.24x = 4,169,347,602.42
  5. Step 5: Solve for x
    x = 4,169,347,602.42/69,007.24
  6. Step 6: Final answer
    x = 60,418.99

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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.