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Finding the Fourth Proportional to 68,533.97, 102,551.83 and 56,576.54

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Solution

The fourth proportional to 68,533.97, 102,551.83 and 56,576.54 is: 84,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,533.97 : 102,551.83 = 56,576.54 : x
  2. Step 2: Convert to fraction form
    68,533.97/102,551.83 = 56,576.54/x
  3. Step 3: Cross multiply
    68,533.97x = 102,551.83 × 56,576.54
  4. Step 4: Simplify right side
    68,533.97x = 5,802,027,712.07
  5. Step 5: Solve for x
    x = 5,802,027,712.07/68,533.97
  6. Step 6: Final answer
    x = 84,659.15

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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.