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Finding the Fourth Proportional to 79,355.84, 118,950.70 and 26,747.14

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Solution

The fourth proportional to 79,355.84, 118,950.70 and 26,747.14 is: 40,092.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,355.84 : 118,950.70 = 26,747.14 : x
  2. Step 2: Convert to fraction form
    79,355.84/118,950.70 = 26,747.14/x
  3. Step 3: Cross multiply
    79,355.84x = 118,950.70 × 26,747.14
  4. Step 4: Simplify right side
    79,355.84x = 3,181,591,026.00
  5. Step 5: Solve for x
    x = 3,181,591,026.00/79,355.84
  6. Step 6: Final answer
    x = 40,092.71

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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.