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Finding the Fourth Proportional to 132,682.60, 199,023.90 and 90,692.20

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Solution

The fourth proportional to 132,682.60, 199,023.90 and 90,692.20 is: 136,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,682.60 : 199,023.90 = 90,692.20 : x
  2. Step 2: Convert to fraction form
    132,682.60/199,023.90 = 90,692.20/x
  3. Step 3: Cross multiply
    132,682.60x = 199,023.90 × 90,692.20
  4. Step 4: Simplify right side
    132,682.60x = 18,049,915,343.58
  5. Step 5: Solve for x
    x = 18,049,915,343.58/132,682.60
  6. Step 6: Final answer
    x = 136,038.30

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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.