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Finding the Fourth Proportional to 70,081.70, 96,743.85 and 47,453.54

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Solution

The fourth proportional to 70,081.70, 96,743.85 and 47,453.54 is: 65,506.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,081.70 : 96,743.85 = 47,453.54 : x
  2. Step 2: Convert to fraction form
    70,081.70/96,743.85 = 47,453.54/x
  3. Step 3: Cross multiply
    70,081.70x = 96,743.85 × 47,453.54
  4. Step 4: Simplify right side
    70,081.70x = 4,590,838,155.73
  5. Step 5: Solve for x
    x = 4,590,838,155.73/70,081.70
  6. Step 6: Final answer
    x = 65,506.95

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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.