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Finding the Fourth Proportional to 68,197.48, 94,108.81 and 37,564.61

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Solution

The fourth proportional to 68,197.48, 94,108.81 and 37,564.61 is: 51,837.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,197.48 : 94,108.81 = 37,564.61 : x
  2. Step 2: Convert to fraction form
    68,197.48/94,108.81 = 37,564.61/x
  3. Step 3: Cross multiply
    68,197.48x = 94,108.81 × 37,564.61
  4. Step 4: Simplify right side
    68,197.48x = 3,535,160,745.21
  5. Step 5: Solve for x
    x = 3,535,160,745.21/68,197.48
  6. Step 6: Final answer
    x = 51,837.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.