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Finding the Fourth Proportional to 132,323.52, 198,027.60 and 81,701.76

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Solution

The fourth proportional to 132,323.52, 198,027.60 and 81,701.76 is: 122,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,323.52 : 198,027.60 = 81,701.76 : x
  2. Step 2: Convert to fraction form
    132,323.52/198,027.60 = 81,701.76/x
  3. Step 3: Cross multiply
    132,323.52x = 198,027.60 × 81,701.76
  4. Step 4: Simplify right side
    132,323.52x = 16,179,203,448.58
  5. Step 5: Solve for x
    x = 16,179,203,448.58/132,323.52
  6. Step 6: Final answer
    x = 122,270.05

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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.