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Finding the Fourth Proportional to 70,122.56, 96,766.68 and 41,813.60

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Solution

The fourth proportional to 70,122.56, 96,766.68 and 41,813.60 is: 57,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,122.56 : 96,766.68 = 41,813.60 : x
  2. Step 2: Convert to fraction form
    70,122.56/96,766.68 = 41,813.60/x
  3. Step 3: Cross multiply
    70,122.56x = 96,766.68 × 41,813.60
  4. Step 4: Simplify right side
    70,122.56x = 4,046,163,250.85
  5. Step 5: Solve for x
    x = 4,046,163,250.85/70,122.56
  6. Step 6: Final answer
    x = 57,701.31

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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.