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Finding the Fourth Proportional to 68,285.88, 102,358.44 and 26,154.46

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Solution

The fourth proportional to 68,285.88, 102,358.44 and 26,154.46 is: 39,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,285.88 : 102,358.44 = 26,154.46 : x
  2. Step 2: Convert to fraction form
    68,285.88/102,358.44 = 26,154.46/x
  3. Step 3: Cross multiply
    68,285.88x = 102,358.44 × 26,154.46
  4. Step 4: Simplify right side
    68,285.88x = 2,677,129,724.64
  5. Step 5: Solve for x
    x = 2,677,129,724.64/68,285.88
  6. Step 6: Final answer
    x = 39,204.73

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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.