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Finding the Fourth Proportional to 79,773.41, 119,617.78 and 23,605.78

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Solution

The fourth proportional to 79,773.41, 119,617.78 and 23,605.78 is: 35,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,773.41 : 119,617.78 = 23,605.78 : x
  2. Step 2: Convert to fraction form
    79,773.41/119,617.78 = 23,605.78/x
  3. Step 3: Cross multiply
    79,773.41x = 119,617.78 × 23,605.78
  4. Step 4: Simplify right side
    79,773.41x = 2,823,670,998.77
  5. Step 5: Solve for x
    x = 2,823,670,998.77/79,773.41
  6. Step 6: Final answer
    x = 35,396.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.