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Finding the Fourth Proportional to 69,687.96, 96,169.66 and 41,008.74

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Solution

The fourth proportional to 69,687.96, 96,169.66 and 41,008.74 is: 56,592.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,687.96 : 96,169.66 = 41,008.74 : x
  2. Step 2: Convert to fraction form
    69,687.96/96,169.66 = 41,008.74/x
  3. Step 3: Cross multiply
    69,687.96x = 96,169.66 × 41,008.74
  4. Step 4: Simplify right side
    69,687.96x = 3,943,796,582.83
  5. Step 5: Solve for x
    x = 3,943,796,582.83/69,687.96
  6. Step 6: Final answer
    x = 56,592.22

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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.