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Finding the Fourth Proportional to 68,262.18, 101,859.23 and 61,169.97

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Solution

The fourth proportional to 68,262.18, 101,859.23 and 61,169.97 is: 91,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,262.18 : 101,859.23 = 61,169.97 : x
  2. Step 2: Convert to fraction form
    68,262.18/101,859.23 = 61,169.97/x
  3. Step 3: Cross multiply
    68,262.18x = 101,859.23 × 61,169.97
  4. Step 4: Simplify right side
    68,262.18x = 6,230,725,737.47
  5. Step 5: Solve for x
    x = 6,230,725,737.47/68,262.18
  6. Step 6: Final answer
    x = 91,276.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.