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Finding the Fourth Proportional to 71,494.98, 98,648.85 and 43,200.73

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Solution

The fourth proportional to 71,494.98, 98,648.85 and 43,200.73 is: 59,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,494.98 : 98,648.85 = 43,200.73 : x
  2. Step 2: Convert to fraction form
    71,494.98/98,648.85 = 43,200.73/x
  3. Step 3: Cross multiply
    71,494.98x = 98,648.85 × 43,200.73
  4. Step 4: Simplify right side
    71,494.98x = 4,261,702,333.66
  5. Step 5: Solve for x
    x = 4,261,702,333.66/71,494.98
  6. Step 6: Final answer
    x = 59,608.41

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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.