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Finding the Fourth Proportional to 66,722.64, 92,098.67 and 44,081.72

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Solution

The fourth proportional to 66,722.64, 92,098.67 and 44,081.72 is: 60,846.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,722.64 : 92,098.67 = 44,081.72 : x
  2. Step 2: Convert to fraction form
    66,722.64/92,098.67 = 44,081.72/x
  3. Step 3: Cross multiply
    66,722.64x = 92,098.67 × 44,081.72
  4. Step 4: Simplify right side
    66,722.64x = 4,059,867,695.74
  5. Step 5: Solve for x
    x = 4,059,867,695.74/66,722.64
  6. Step 6: Final answer
    x = 60,846.93

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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.