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Finding the Fourth Proportional to 68,798.22, 103,163.13 and 22,045.02

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Solution

The fourth proportional to 68,798.22, 103,163.13 and 22,045.02 is: 33,056.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,798.22 : 103,163.13 = 22,045.02 : x
  2. Step 2: Convert to fraction form
    68,798.22/103,163.13 = 22,045.02/x
  3. Step 3: Cross multiply
    68,798.22x = 103,163.13 × 22,045.02
  4. Step 4: Simplify right side
    68,798.22x = 2,274,233,264.11
  5. Step 5: Solve for x
    x = 2,274,233,264.11/68,798.22
  6. Step 6: Final answer
    x = 33,056.57

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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.