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Finding the Fourth Proportional to 226,693.70, 340,654.35 and 121,588.10

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Solution

The fourth proportional to 226,693.70, 340,654.35 and 121,588.10 is: 182,711.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,693.70 : 340,654.35 = 121,588.10 : x
  2. Step 2: Convert to fraction form
    226,693.70/340,654.35 = 121,588.10/x
  3. Step 3: Cross multiply
    226,693.70x = 340,654.35 × 121,588.10
  4. Step 4: Simplify right side
    226,693.70x = 41,419,515,173.24
  5. Step 5: Solve for x
    x = 41,419,515,173.24/226,693.70
  6. Step 6: Final answer
    x = 182,711.36

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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.