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Finding the Fourth Proportional to 69,109.89, 95,370.50 and 38,895.17

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Solution

The fourth proportional to 69,109.89, 95,370.50 and 38,895.17 is: 53,674.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,109.89 : 95,370.50 = 38,895.17 : x
  2. Step 2: Convert to fraction form
    69,109.89/95,370.50 = 38,895.17/x
  3. Step 3: Cross multiply
    69,109.89x = 95,370.50 × 38,895.17
  4. Step 4: Simplify right side
    69,109.89x = 3,709,451,139.16
  5. Step 5: Solve for x
    x = 3,709,451,139.16/69,109.89
  6. Step 6: Final answer
    x = 53,674.68

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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.