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Finding the Fourth Proportional to 73,383.30, 101,288.07 and 68,396.94

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Solution

The fourth proportional to 73,383.30, 101,288.07 and 68,396.94 is: 94,405.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,383.30 : 101,288.07 = 68,396.94 : x
  2. Step 2: Convert to fraction form
    73,383.30/101,288.07 = 68,396.94/x
  3. Step 3: Cross multiply
    73,383.30x = 101,288.07 × 68,396.94
  4. Step 4: Simplify right side
    73,383.30x = 6,927,794,046.51
  5. Step 5: Solve for x
    x = 6,927,794,046.51/73,383.30
  6. Step 6: Final answer
    x = 94,405.59

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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.