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Finding the Fourth Proportional to 79,874.91, 119,795.36 and 23,699.79

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Solution

The fourth proportional to 79,874.91, 119,795.36 and 23,699.79 is: 35,544.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,874.91 : 119,795.36 = 23,699.79 : x
  2. Step 2: Convert to fraction form
    79,874.91/119,795.36 = 23,699.79/x
  3. Step 3: Cross multiply
    79,874.91x = 119,795.36 × 23,699.79
  4. Step 4: Simplify right side
    79,874.91x = 2,839,124,756.48
  5. Step 5: Solve for x
    x = 2,839,124,756.48/79,874.91
  6. Step 6: Final answer
    x = 35,544.64

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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.