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Finding the Fourth Proportional to 68,178.97, 94,006.47 and 46,679.14

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Solution

The fourth proportional to 68,178.97, 94,006.47 and 46,679.14 is: 64,362.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,178.97 : 94,006.47 = 46,679.14 : x
  2. Step 2: Convert to fraction form
    68,178.97/94,006.47 = 46,679.14/x
  3. Step 3: Cross multiply
    68,178.97x = 94,006.47 × 46,679.14
  4. Step 4: Simplify right side
    68,178.97x = 4,388,141,174.04
  5. Step 5: Solve for x
    x = 4,388,141,174.04/68,178.97
  6. Step 6: Final answer
    x = 64,362.09

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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.