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Finding the Fourth Proportional to 68,643.33, 94,678.95 and 62,996.32

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Solution

The fourth proportional to 68,643.33, 94,678.95 and 62,996.32 is: 86,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,643.33 : 94,678.95 = 62,996.32 : x
  2. Step 2: Convert to fraction form
    68,643.33/94,678.95 = 62,996.32/x
  3. Step 3: Cross multiply
    68,643.33x = 94,678.95 × 62,996.32
  4. Step 4: Simplify right side
    68,643.33x = 5,964,425,431.00
  5. Step 5: Solve for x
    x = 5,964,425,431.00/68,643.33
  6. Step 6: Final answer
    x = 86,890.09

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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.