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Finding the Fourth Proportional to 69,970.70, 96,483.25 and 47,270.27

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Solution

The fourth proportional to 69,970.70, 96,483.25 and 47,270.27 is: 65,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,970.70 : 96,483.25 = 47,270.27 : x
  2. Step 2: Convert to fraction form
    69,970.70/96,483.25 = 47,270.27/x
  3. Step 3: Cross multiply
    69,970.70x = 96,483.25 × 47,270.27
  4. Step 4: Simplify right side
    69,970.70x = 4,560,789,277.98
  5. Step 5: Solve for x
    x = 4,560,789,277.98/69,970.70
  6. Step 6: Final answer
    x = 65,181.42

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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.