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Finding the Fourth Proportional to 71,201.34, 98,253 and 39,369.96

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Solution

The fourth proportional to 71,201.34, 98,253 and 39,369.96 is: 54,327.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,201.34 : 98,253 = 39,369.96 : x
  2. Step 2: Convert to fraction form
    71,201.34/98,253 = 39,369.96/x
  3. Step 3: Cross multiply
    71,201.34x = 98,253 × 39,369.96
  4. Step 4: Simplify right side
    71,201.34x = 3,868,216,679.88
  5. Step 5: Solve for x
    x = 3,868,216,679.88/71,201.34
  6. Step 6: Final answer
    x = 54,327.86

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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.