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Finding the Fourth Proportional to 68,893.74, 103,316.31 and 22,134.06

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Solution

The fourth proportional to 68,893.74, 103,316.31 and 22,134.06 is: 33,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,893.74 : 103,316.31 = 22,134.06 : x
  2. Step 2: Convert to fraction form
    68,893.74/103,316.31 = 22,134.06/x
  3. Step 3: Cross multiply
    68,893.74x = 103,316.31 × 22,134.06
  4. Step 4: Simplify right side
    68,893.74x = 2,286,809,404.52
  5. Step 5: Solve for x
    x = 2,286,809,404.52/68,893.74
  6. Step 6: Final answer
    x = 33,193.28

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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.