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Finding the Fourth Proportional to 69,113.60, 95,379.83 and 38,900.88

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Solution

The fourth proportional to 69,113.60, 95,379.83 and 38,900.88 is: 53,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,113.60 : 95,379.83 = 38,900.88 : x
  2. Step 2: Convert to fraction form
    69,113.60/95,379.83 = 38,900.88/x
  3. Step 3: Cross multiply
    69,113.60x = 95,379.83 × 38,900.88
  4. Step 4: Simplify right side
    69,113.60x = 3,710,359,321.25
  5. Step 5: Solve for x
    x = 3,710,359,321.25/69,113.60
  6. Step 6: Final answer
    x = 53,684.94

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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.