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Finding the Fourth Proportional to 69,086.92, 103,619.38 and 24,705.40

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Solution

The fourth proportional to 69,086.92, 103,619.38 and 24,705.40 is: 37,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,086.92 : 103,619.38 = 24,705.40 : x
  2. Step 2: Convert to fraction form
    69,086.92/103,619.38 = 24,705.40/x
  3. Step 3: Cross multiply
    69,086.92x = 103,619.38 × 24,705.40
  4. Step 4: Simplify right side
    69,086.92x = 2,559,958,230.65
  5. Step 5: Solve for x
    x = 2,559,958,230.65/69,086.92
  6. Step 6: Final answer
    x = 37,054.17

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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.