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Finding the Fourth Proportional to 68,827.68, 103,270.56 and 37,626.48

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Solution

The fourth proportional to 68,827.68, 103,270.56 and 37,626.48 is: 56,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,827.68 : 103,270.56 = 37,626.48 : x
  2. Step 2: Convert to fraction form
    68,827.68/103,270.56 = 37,626.48/x
  3. Step 3: Cross multiply
    68,827.68x = 103,270.56 × 37,626.48
  4. Step 4: Simplify right side
    68,827.68x = 3,885,707,660.43
  5. Step 5: Solve for x
    x = 3,885,707,660.43/68,827.68
  6. Step 6: Final answer
    x = 56,455.60

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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.