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Finding the Fourth Proportional to 68,587.61, 102,910.91 and 26,497.32

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Solution

The fourth proportional to 68,587.61, 102,910.91 and 26,497.32 is: 39,757.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,587.61 : 102,910.91 = 26,497.32 : x
  2. Step 2: Convert to fraction form
    68,587.61/102,910.91 = 26,497.32/x
  3. Step 3: Cross multiply
    68,587.61x = 102,910.91 × 26,497.32
  4. Step 4: Simplify right side
    68,587.61x = 2,726,863,313.76
  5. Step 5: Solve for x
    x = 2,726,863,313.76/68,587.61
  6. Step 6: Final answer
    x = 39,757.37

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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.