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Finding the Fourth Proportional to 69,291.42, 95,631.21 and 39,086.25

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Solution

The fourth proportional to 69,291.42, 95,631.21 and 39,086.25 is: 53,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,291.42 : 95,631.21 = 39,086.25 : x
  2. Step 2: Convert to fraction form
    69,291.42/95,631.21 = 39,086.25/x
  3. Step 3: Cross multiply
    69,291.42x = 95,631.21 × 39,086.25
  4. Step 4: Simplify right side
    69,291.42x = 3,737,865,381.86
  5. Step 5: Solve for x
    x = 3,737,865,381.86/69,291.42
  6. Step 6: Final answer
    x = 53,944.13

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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.