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Finding the Fourth Proportional to 227,553.66, 341,317.71 and 69,781.68

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Solution

The fourth proportional to 227,553.66, 341,317.71 and 69,781.68 is: 104,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,553.66 : 341,317.71 = 69,781.68 : x
  2. Step 2: Convert to fraction form
    227,553.66/341,317.71 = 69,781.68/x
  3. Step 3: Cross multiply
    227,553.66x = 341,317.71 × 69,781.68
  4. Step 4: Simplify right side
    227,553.66x = 23,817,723,217.55
  5. Step 5: Solve for x
    x = 23,817,723,217.55/227,553.66
  6. Step 6: Final answer
    x = 104,668.60

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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.