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Finding the Fourth Proportional to 68,773.34, 103,189.71 and 37,205.64

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Solution

The fourth proportional to 68,773.34, 103,189.71 and 37,205.64 is: 55,824.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,773.34 : 103,189.71 = 37,205.64 : x
  2. Step 2: Convert to fraction form
    68,773.34/103,189.71 = 37,205.64/x
  3. Step 3: Cross multiply
    68,773.34x = 103,189.71 × 37,205.64
  4. Step 4: Simplify right side
    68,773.34x = 3,839,239,673.49
  5. Step 5: Solve for x
    x = 3,839,239,673.49/68,773.34
  6. Step 6: Final answer
    x = 55,824.53

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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.