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Finding the Fourth Proportional to 164,491.61, 226,996.43 and 92,874.65

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Solution

The fourth proportional to 164,491.61, 226,996.43 and 92,874.65 is: 128,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,491.61 : 226,996.43 = 92,874.65 : x
  2. Step 2: Convert to fraction form
    164,491.61/226,996.43 = 92,874.65/x
  3. Step 3: Cross multiply
    164,491.61x = 226,996.43 × 92,874.65
  4. Step 4: Simplify right side
    164,491.61x = 21,082,212,388.14
  5. Step 5: Solve for x
    x = 21,082,212,388.14/164,491.61
  6. Step 6: Final answer
    x = 128,165.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.