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Finding the Fourth Proportional to 108,041.88, 149,093.89 and 59,642.77

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Solution

The fourth proportional to 108,041.88, 149,093.89 and 59,642.77 is: 82,304.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,041.88 : 149,093.89 = 59,642.77 : x
  2. Step 2: Convert to fraction form
    108,041.88/149,093.89 = 59,642.77/x
  3. Step 3: Cross multiply
    108,041.88x = 149,093.89 × 59,642.77
  4. Step 4: Simplify right side
    108,041.88x = 8,892,372,589.68
  5. Step 5: Solve for x
    x = 8,892,372,589.68/108,041.88
  6. Step 6: Final answer
    x = 82,304.87

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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.