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Finding the Fourth Proportional to 132,991.55, 199,487.30 and 57,073.62

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Solution

The fourth proportional to 132,991.55, 199,487.30 and 57,073.62 is: 85,610.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,991.55 : 199,487.30 = 57,073.62 : x
  2. Step 2: Convert to fraction form
    132,991.55/199,487.30 = 57,073.62/x
  3. Step 3: Cross multiply
    132,991.55x = 199,487.30 × 57,073.62
  4. Step 4: Simplify right side
    132,991.55x = 11,385,462,355.03
  5. Step 5: Solve for x
    x = 11,385,462,355.03/132,991.55
  6. Step 6: Final answer
    x = 85,610.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.