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Finding the Fourth Proportional to 66,708.51, 92,081.15 and 41,234.41

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Solution

The fourth proportional to 66,708.51, 92,081.15 and 41,234.41 is: 56,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,708.51 : 92,081.15 = 41,234.41 : x
  2. Step 2: Convert to fraction form
    66,708.51/92,081.15 = 41,234.41/x
  3. Step 3: Cross multiply
    66,708.51x = 92,081.15 × 41,234.41
  4. Step 4: Simplify right side
    66,708.51x = 3,796,911,892.37
  5. Step 5: Solve for x
    x = 3,796,911,892.37/66,708.51
  6. Step 6: Final answer
    x = 56,917.95

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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.