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Finding the Fourth Proportional to 71,874.50, 99,187.77 and 41,661.98

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Solution

The fourth proportional to 71,874.50, 99,187.77 and 41,661.98 is: 57,494.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,874.50 : 99,187.77 = 41,661.98 : x
  2. Step 2: Convert to fraction form
    71,874.50/99,187.77 = 41,661.98/x
  3. Step 3: Cross multiply
    71,874.50x = 99,187.77 × 41,661.98
  4. Step 4: Simplify right side
    71,874.50x = 4,132,358,889.98
  5. Step 5: Solve for x
    x = 4,132,358,889.98/71,874.50
  6. Step 6: Final answer
    x = 57,494.09

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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.