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Finding the Fourth Proportional to 68,855.37, 103,268.47 and 22,097.31

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Solution

The fourth proportional to 68,855.37, 103,268.47 and 22,097.31 is: 33,141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,855.37 : 103,268.47 = 22,097.31 : x
  2. Step 2: Convert to fraction form
    68,855.37/103,268.47 = 22,097.31/x
  3. Step 3: Cross multiply
    68,855.37x = 103,268.47 × 22,097.31
  4. Step 4: Simplify right side
    68,855.37x = 2,281,955,394.82
  5. Step 5: Solve for x
    x = 2,281,955,394.82/68,855.37
  6. Step 6: Final answer
    x = 33,141.28

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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.