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Finding the Fourth Proportional to 68,907.72, 103,341.04 and 26,794.34

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Solution

The fourth proportional to 68,907.72, 103,341.04 and 26,794.34 is: 40,183.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,907.72 : 103,341.04 = 26,794.34 : x
  2. Step 2: Convert to fraction form
    68,907.72/103,341.04 = 26,794.34/x
  3. Step 3: Cross multiply
    68,907.72x = 103,341.04 × 26,794.34
  4. Step 4: Simplify right side
    68,907.72x = 2,768,954,961.71
  5. Step 5: Solve for x
    x = 2,768,954,961.71/68,907.72
  6. Step 6: Final answer
    x = 40,183.52

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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.