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Finding the Fourth Proportional to 68,844.66, 103,264.83 and 19,596.66

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Solution

The fourth proportional to 68,844.66, 103,264.83 and 19,596.66 is: 29,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,844.66 : 103,264.83 = 19,596.66 : x
  2. Step 2: Convert to fraction form
    68,844.66/103,264.83 = 19,596.66/x
  3. Step 3: Cross multiply
    68,844.66x = 103,264.83 × 19,596.66
  4. Step 4: Simplify right side
    68,844.66x = 2,023,645,763.47
  5. Step 5: Solve for x
    x = 2,023,645,763.47/68,844.66
  6. Step 6: Final answer
    x = 29,394.38

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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.