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Finding the Fourth Proportional to 68,008.47, 102,004.61 and 18,092.22

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Solution

The fourth proportional to 68,008.47, 102,004.61 and 18,092.22 is: 27,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,008.47 : 102,004.61 = 18,092.22 : x
  2. Step 2: Convert to fraction form
    68,008.47/102,004.61 = 18,092.22/x
  3. Step 3: Cross multiply
    68,008.47x = 102,004.61 × 18,092.22
  4. Step 4: Simplify right side
    68,008.47x = 1,845,489,754.67
  5. Step 5: Solve for x
    x = 1,845,489,754.67/68,008.47
  6. Step 6: Final answer
    x = 27,136.18

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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.