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Finding the Fourth Proportional to 132,692.90, 199,039.35 and 126,569.30

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Solution

The fourth proportional to 132,692.90, 199,039.35 and 126,569.30 is: 189,853.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,692.90 : 199,039.35 = 126,569.30 : x
  2. Step 2: Convert to fraction form
    132,692.90/199,039.35 = 126,569.30/x
  3. Step 3: Cross multiply
    132,692.90x = 199,039.35 × 126,569.30
  4. Step 4: Simplify right side
    132,692.90x = 25,192,271,201.96
  5. Step 5: Solve for x
    x = 25,192,271,201.96/132,692.90
  6. Step 6: Final answer
    x = 189,853.95

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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.