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Finding the Fourth Proportional to 226,698, 340,054.20 and 68,927.82

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Solution

The fourth proportional to 226,698, 340,054.20 and 68,927.82 is: 103,393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,698 : 340,054.20 = 68,927.82 : x
  2. Step 2: Convert to fraction form
    226,698/340,054.20 = 68,927.82/x
  3. Step 3: Cross multiply
    226,698x = 340,054.20 × 68,927.82
  4. Step 4: Simplify right side
    226,698x = 23,439,194,687.84
  5. Step 5: Solve for x
    x = 23,439,194,687.84/226,698
  6. Step 6: Final answer
    x = 103,393.92

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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.