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Finding the Fourth Proportional to 68,917.77, 95,142.65 and 46,375.29

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Solution

The fourth proportional to 68,917.77, 95,142.65 and 46,375.29 is: 64,022.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,917.77 : 95,142.65 = 46,375.29 : x
  2. Step 2: Convert to fraction form
    68,917.77/95,142.65 = 46,375.29/x
  3. Step 3: Cross multiply
    68,917.77x = 95,142.65 × 46,375.29
  4. Step 4: Simplify right side
    68,917.77x = 4,412,267,753.24
  5. Step 5: Solve for x
    x = 4,412,267,753.24/68,917.77
  6. Step 6: Final answer
    x = 64,022.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.