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Finding the Fourth Proportional to 68,701.22, 103,081.48 and 37,105

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Solution

The fourth proportional to 68,701.22, 103,081.48 and 37,105 is: 55,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,701.22 : 103,081.48 = 37,105 : x
  2. Step 2: Convert to fraction form
    68,701.22/103,081.48 = 37,105/x
  3. Step 3: Cross multiply
    68,701.22x = 103,081.48 × 37,105
  4. Step 4: Simplify right side
    68,701.22x = 3,824,838,315.40
  5. Step 5: Solve for x
    x = 3,824,838,315.40/68,701.22
  6. Step 6: Final answer
    x = 55,673.51

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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.