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Finding the Fourth Proportional to 79,905.51, 119,850.05 and 50,233.39

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Solution

The fourth proportional to 79,905.51, 119,850.05 and 50,233.39 is: 75,344.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,905.51 : 119,850.05 = 50,233.39 : x
  2. Step 2: Convert to fraction form
    79,905.51/119,850.05 = 50,233.39/x
  3. Step 3: Cross multiply
    79,905.51x = 119,850.05 × 50,233.39
  4. Step 4: Simplify right side
    79,905.51x = 6,020,474,129.13
  5. Step 5: Solve for x
    x = 6,020,474,129.13/79,905.51
  6. Step 6: Final answer
    x = 75,344.92

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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.