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Finding the Fourth Proportional to 227,666.21, 314,179.83 and 125,691.87

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Solution

The fourth proportional to 227,666.21, 314,179.83 and 125,691.87 is: 173,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,666.21 : 314,179.83 = 125,691.87 : x
  2. Step 2: Convert to fraction form
    227,666.21/314,179.83 = 125,691.87/x
  3. Step 3: Cross multiply
    227,666.21x = 314,179.83 × 125,691.87
  4. Step 4: Simplify right side
    227,666.21x = 39,489,850,348.98
  5. Step 5: Solve for x
    x = 39,489,850,348.98/227,666.21
  6. Step 6: Final answer
    x = 173,455.03

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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.