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Finding the Fourth Proportional to 69,751.12, 96,193.56 and 45,868.72

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Solution

The fourth proportional to 69,751.12, 96,193.56 and 45,868.72 is: 63,257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,751.12 : 96,193.56 = 45,868.72 : x
  2. Step 2: Convert to fraction form
    69,751.12/96,193.56 = 45,868.72/x
  3. Step 3: Cross multiply
    69,751.12x = 96,193.56 × 45,868.72
  4. Step 4: Simplify right side
    69,751.12x = 4,412,275,469.44
  5. Step 5: Solve for x
    x = 4,412,275,469.44/69,751.12
  6. Step 6: Final answer
    x = 63,257.41

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1.5x scale

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.