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Finding the Fourth Proportional to 226,903.96, 340,396.44 and 77,136.37

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Solution

The fourth proportional to 226,903.96, 340,396.44 and 77,136.37 is: 115,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,903.96 : 340,396.44 = 77,136.37 : x
  2. Step 2: Convert to fraction form
    226,903.96/340,396.44 = 77,136.37/x
  3. Step 3: Cross multiply
    226,903.96x = 340,396.44 × 77,136.37
  4. Step 4: Simplify right side
    226,903.96x = 26,256,945,742.52
  5. Step 5: Solve for x
    x = 26,256,945,742.52/226,903.96
  6. Step 6: Final answer
    x = 115,718.32

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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.