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Finding the Fourth Proportional to 68,048.89, 102,090.07 and 23,676.02

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Solution

The fourth proportional to 68,048.89, 102,090.07 and 23,676.02 is: 35,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,048.89 : 102,090.07 = 23,676.02 : x
  2. Step 2: Convert to fraction form
    68,048.89/102,090.07 = 23,676.02/x
  3. Step 3: Cross multiply
    68,048.89x = 102,090.07 × 23,676.02
  4. Step 4: Simplify right side
    68,048.89x = 2,417,086,539.12
  5. Step 5: Solve for x
    x = 2,417,086,539.12/68,048.89
  6. Step 6: Final answer
    x = 35,519.85

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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.