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Finding the Fourth Proportional to 71,626.46, 98,874.82 and 48,347.94

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Solution

The fourth proportional to 71,626.46, 98,874.82 and 48,347.94 is: 66,740.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,626.46 : 98,874.82 = 48,347.94 : x
  2. Step 2: Convert to fraction form
    71,626.46/98,874.82 = 48,347.94/x
  3. Step 3: Cross multiply
    71,626.46x = 98,874.82 × 48,347.94
  4. Step 4: Simplify right side
    71,626.46x = 4,780,393,864.87
  5. Step 5: Solve for x
    x = 4,780,393,864.87/71,626.46
  6. Step 6: Final answer
    x = 66,740.61

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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.