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Finding the Fourth Proportional to 159,611.91, 239,488.39 and 83,692.32

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Solution

The fourth proportional to 159,611.91, 239,488.39 and 83,692.32 is: 125,575.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,611.91 : 239,488.39 = 83,692.32 : x
  2. Step 2: Convert to fraction form
    159,611.91/239,488.39 = 83,692.32/x
  3. Step 3: Cross multiply
    159,611.91x = 239,488.39 × 83,692.32
  4. Step 4: Simplify right side
    159,611.91x = 20,043,339,076.78
  5. Step 5: Solve for x
    x = 20,043,339,076.78/159,611.91
  6. Step 6: Final answer
    x = 125,575.46

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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.