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Finding the Fourth Proportional to 59,110.80, 88,617.60 and 31,408.80

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Solution

The fourth proportional to 59,110.80, 88,617.60 and 31,408.80 is: 47,087.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,110.80 : 88,617.60 = 31,408.80 : x
  2. Step 2: Convert to fraction form
    59,110.80/88,617.60 = 31,408.80/x
  3. Step 3: Cross multiply
    59,110.80x = 88,617.60 × 31,408.80
  4. Step 4: Simplify right side
    59,110.80x = 2,783,372,474.88
  5. Step 5: Solve for x
    x = 2,783,372,474.88/59,110.80
  6. Step 6: Final answer
    x = 47,087.38

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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.