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Finding the Fourth Proportional to 71,951.39, 99,292.99 and 41,742.54

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Solution

The fourth proportional to 71,951.39, 99,292.99 and 41,742.54 is: 57,604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,951.39 : 99,292.99 = 41,742.54 : x
  2. Step 2: Convert to fraction form
    71,951.39/99,292.99 = 41,742.54/x
  3. Step 3: Cross multiply
    71,951.39x = 99,292.99 × 41,742.54
  4. Step 4: Simplify right side
    71,951.39x = 4,144,741,580.71
  5. Step 5: Solve for x
    x = 4,144,741,580.71/71,951.39
  6. Step 6: Final answer
    x = 57,604.75

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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.