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Finding the Fourth Proportional to 226,908, 340,517.52 and 79,164

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Solution

The fourth proportional to 226,908, 340,517.52 and 79,164 is: 118,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,908 : 340,517.52 = 79,164 : x
  2. Step 2: Convert to fraction form
    226,908/340,517.52 = 79,164/x
  3. Step 3: Cross multiply
    226,908x = 340,517.52 × 79,164
  4. Step 4: Simplify right side
    226,908x = 26,956,728,953.28
  5. Step 5: Solve for x
    x = 26,956,728,953.28/226,908
  6. Step 6: Final answer
    x = 118,800.26

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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.