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Finding the Fourth Proportional to 74,676.29, 103,053.22 and 41,142.29

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Solution

The fourth proportional to 74,676.29, 103,053.22 and 41,142.29 is: 56,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,676.29 : 103,053.22 = 41,142.29 : x
  2. Step 2: Convert to fraction form
    74,676.29/103,053.22 = 41,142.29/x
  3. Step 3: Cross multiply
    74,676.29x = 103,053.22 × 41,142.29
  4. Step 4: Simplify right side
    74,676.29x = 4,239,844,844.55
  5. Step 5: Solve for x
    x = 4,239,844,844.55/74,676.29
  6. Step 6: Final answer
    x = 56,776.32

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