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Finding the Fourth Proportional to 227,991.42, 341,927.55 and 68,029.74

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Solution

The fourth proportional to 227,991.42, 341,927.55 and 68,029.74 is: 102,026.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,991.42 : 341,927.55 = 68,029.74 : x
  2. Step 2: Convert to fraction form
    227,991.42/341,927.55 = 68,029.74/x
  3. Step 3: Cross multiply
    227,991.42x = 341,927.55 × 68,029.74
  4. Step 4: Simplify right side
    227,991.42x = 23,261,242,325.34
  5. Step 5: Solve for x
    x = 23,261,242,325.34/227,991.42
  6. Step 6: Final answer
    x = 102,026.83

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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.