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Finding the Fourth Proportional to 239,496.87, 330,493.22 and 148,850.89

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Solution

The fourth proportional to 239,496.87, 330,493.22 and 148,850.89 is: 205,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,496.87 : 330,493.22 = 148,850.89 : x
  2. Step 2: Convert to fraction form
    239,496.87/330,493.22 = 148,850.89/x
  3. Step 3: Cross multiply
    239,496.87x = 330,493.22 × 148,850.89
  4. Step 4: Simplify right side
    239,496.87x = 49,194,208,365.48
  5. Step 5: Solve for x
    x = 49,194,208,365.48/239,496.87
  6. Step 6: Final answer
    x = 205,406.48

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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.