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Finding the Fourth Proportional to 68,335.44, 102,567.24 and 42,091.44

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Solution

The fourth proportional to 68,335.44, 102,567.24 and 42,091.44 is: 63,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,335.44 : 102,567.24 = 42,091.44 : x
  2. Step 2: Convert to fraction form
    68,335.44/102,567.24 = 42,091.44/x
  3. Step 3: Cross multiply
    68,335.44x = 102,567.24 × 42,091.44
  4. Step 4: Simplify right side
    68,335.44x = 4,317,202,828.43
  5. Step 5: Solve for x
    x = 4,317,202,828.43/68,335.44
  6. Step 6: Final answer
    x = 63,176.63

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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.