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Finding the Fourth Proportional to 66,708.62, 92,106.03 and 41,249.89

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Solution

The fourth proportional to 66,708.62, 92,106.03 and 41,249.89 is: 56,954.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,708.62 : 92,106.03 = 41,249.89 : x
  2. Step 2: Convert to fraction form
    66,708.62/92,106.03 = 41,249.89/x
  3. Step 3: Cross multiply
    66,708.62x = 92,106.03 × 41,249.89
  4. Step 4: Simplify right side
    66,708.62x = 3,799,363,605.84
  5. Step 5: Solve for x
    x = 3,799,363,605.84/66,708.62
  6. Step 6: Final answer
    x = 56,954.61

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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.