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Finding the Fourth Proportional to 68,266.45, 102,379.56 and 23,884.93

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Solution

The fourth proportional to 68,266.45, 102,379.56 and 23,884.93 is: 35,820.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,266.45 : 102,379.56 = 23,884.93 : x
  2. Step 2: Convert to fraction form
    68,266.45/102,379.56 = 23,884.93/x
  3. Step 3: Cross multiply
    68,266.45x = 102,379.56 × 23,884.93
  4. Step 4: Simplify right side
    68,266.45x = 2,445,328,624.03
  5. Step 5: Solve for x
    x = 2,445,328,624.03/68,266.45
  6. Step 6: Final answer
    x = 35,820.36

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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.