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Finding the Fourth Proportional to 79,343.25, 119,019.74 and 23,939.25

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Solution

The fourth proportional to 79,343.25, 119,019.74 and 23,939.25 is: 35,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,343.25 : 119,019.74 = 23,939.25 : x
  2. Step 2: Convert to fraction form
    79,343.25/119,019.74 = 23,939.25/x
  3. Step 3: Cross multiply
    79,343.25x = 119,019.74 × 23,939.25
  4. Step 4: Simplify right side
    79,343.25x = 2,849,243,191.10
  5. Step 5: Solve for x
    x = 2,849,243,191.10/79,343.25
  6. Step 6: Final answer
    x = 35,910.34

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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.