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Finding the Fourth Proportional to 71,364.80, 107,063.40 and 41,767.40

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Solution

The fourth proportional to 71,364.80, 107,063.40 and 41,767.40 is: 62,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,364.80 : 107,063.40 = 41,767.40 : x
  2. Step 2: Convert to fraction form
    71,364.80/107,063.40 = 41,767.40/x
  3. Step 3: Cross multiply
    71,364.80x = 107,063.40 × 41,767.40
  4. Step 4: Simplify right side
    71,364.80x = 4,471,759,853.16
  5. Step 5: Solve for x
    x = 4,471,759,853.16/71,364.80
  6. Step 6: Final answer
    x = 62,660.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.