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Finding the Fourth Proportional to 239,553.88, 330,599.46 and 137,611.24

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Solution

The fourth proportional to 239,553.88, 330,599.46 and 137,611.24 is: 189,912.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,553.88 : 330,599.46 = 137,611.24 : x
  2. Step 2: Convert to fraction form
    239,553.88/330,599.46 = 137,611.24/x
  3. Step 3: Cross multiply
    239,553.88x = 330,599.46 × 137,611.24
  4. Step 4: Simplify right side
    239,553.88x = 45,494,201,633.93
  5. Step 5: Solve for x
    x = 45,494,201,633.93/239,553.88
  6. Step 6: Final answer
    x = 189,912.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.