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Finding the Fourth Proportional to 79,375.04, 118,902.61 and 52,736.03

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Solution

The fourth proportional to 79,375.04, 118,902.61 and 52,736.03 is: 78,997.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,375.04 : 118,902.61 = 52,736.03 : x
  2. Step 2: Convert to fraction form
    79,375.04/118,902.61 = 52,736.03/x
  3. Step 3: Cross multiply
    79,375.04x = 118,902.61 × 52,736.03
  4. Step 4: Simplify right side
    79,375.04x = 6,270,450,749.85
  5. Step 5: Solve for x
    x = 6,270,450,749.85/79,375.04
  6. Step 6: Final answer
    x = 78,997.77

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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.