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Finding the Fourth Proportional to 69,098.32, 103,687.67 and 26,976.16

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Solution

The fourth proportional to 69,098.32, 103,687.67 and 26,976.16 is: 40,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,098.32 : 103,687.67 = 26,976.16 : x
  2. Step 2: Convert to fraction form
    69,098.32/103,687.67 = 26,976.16/x
  3. Step 3: Cross multiply
    69,098.32x = 103,687.67 × 26,976.16
  4. Step 4: Simplify right side
    69,098.32x = 2,797,095,175.95
  5. Step 5: Solve for x
    x = 2,797,095,175.95/69,098.32
  6. Step 6: Final answer
    x = 40,479.93

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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.