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Finding the Fourth Proportional to 74,629.88, 102,993.92 and 41,095.88

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Solution

The fourth proportional to 74,629.88, 102,993.92 and 41,095.88 is: 56,714.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,629.88 : 102,993.92 = 41,095.88 : x
  2. Step 2: Convert to fraction form
    74,629.88/102,993.92 = 41,095.88/x
  3. Step 3: Cross multiply
    74,629.88x = 102,993.92 × 41,095.88
  4. Step 4: Simplify right side
    74,629.88x = 4,232,625,777.05
  5. Step 5: Solve for x
    x = 4,232,625,777.05/74,629.88
  6. Step 6: Final answer
    x = 56,714.89

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Why These Related Problems?

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