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Finding the Fourth Proportional to 68,654.58, 94,694.46 and 63,007.56

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Solution

The fourth proportional to 68,654.58, 94,694.46 and 63,007.56 is: 86,905.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,654.58 : 94,694.46 = 63,007.56 : x
  2. Step 2: Convert to fraction form
    68,654.58/94,694.46 = 63,007.56/x
  3. Step 3: Cross multiply
    68,654.58x = 94,694.46 × 63,007.56
  4. Step 4: Simplify right side
    68,654.58x = 5,966,466,870.12
  5. Step 5: Solve for x
    x = 5,966,466,870.12/68,654.58
  6. Step 6: Final answer
    x = 86,905.59

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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.