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Finding the Fourth Proportional to 226,912, 340,523.52 and 79,168

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Solution

The fourth proportional to 226,912, 340,523.52 and 79,168 is: 118,806.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,912 : 340,523.52 = 79,168 : x
  2. Step 2: Convert to fraction form
    226,912/340,523.52 = 79,168/x
  3. Step 3: Cross multiply
    226,912x = 340,523.52 × 79,168
  4. Step 4: Simplify right side
    226,912x = 26,958,566,031.36
  5. Step 5: Solve for x
    x = 26,958,566,031.36/226,912
  6. Step 6: Final answer
    x = 118,806.26

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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.