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Finding the Fourth Proportional to 159,612.41, 239,489.14 and 83,692.82

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Solution

The fourth proportional to 159,612.41, 239,489.14 and 83,692.82 is: 125,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,612.41 : 239,489.14 = 83,692.82 : x
  2. Step 2: Convert to fraction form
    159,612.41/239,489.14 = 83,692.82/x
  3. Step 3: Cross multiply
    159,612.41x = 239,489.14 × 83,692.82
  4. Step 4: Simplify right side
    159,612.41x = 20,043,521,485.97
  5. Step 5: Solve for x
    x = 20,043,521,485.97/159,612.41
  6. Step 6: Final answer
    x = 125,576.21

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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.