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Finding the Fourth Proportional to 64,874.97, 97,137.18 and 33,644.61

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Solution

The fourth proportional to 64,874.97, 97,137.18 and 33,644.61 is: 50,376.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,874.97 : 97,137.18 = 33,644.61 : x
  2. Step 2: Convert to fraction form
    64,874.97/97,137.18 = 33,644.61/x
  3. Step 3: Cross multiply
    64,874.97x = 97,137.18 × 33,644.61
  4. Step 4: Simplify right side
    64,874.97x = 3,268,142,537.60
  5. Step 5: Solve for x
    x = 3,268,142,537.60/64,874.97
  6. Step 6: Final answer
    x = 50,376.02

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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.