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Finding the Fourth Proportional to 226,475.80, 340,063.62 and 121,499.80

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Solution

The fourth proportional to 226,475.80, 340,063.62 and 121,499.80 is: 182,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,475.80 : 340,063.62 = 121,499.80 : x
  2. Step 2: Convert to fraction form
    226,475.80/340,063.62 = 121,499.80/x
  3. Step 3: Cross multiply
    226,475.80x = 340,063.62 × 121,499.80
  4. Step 4: Simplify right side
    226,475.80x = 41,317,661,817.28
  5. Step 5: Solve for x
    x = 41,317,661,817.28/226,475.80
  6. Step 6: Final answer
    x = 182,437.43

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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.