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Finding the Fourth Proportional to 239,599.22, 330,753.22 and 154,757.66

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Solution

The fourth proportional to 239,599.22, 330,753.22 and 154,757.66 is: 213,634.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,599.22 : 330,753.22 = 154,757.66 : x
  2. Step 2: Convert to fraction form
    239,599.22/330,753.22 = 154,757.66/x
  3. Step 3: Cross multiply
    239,599.22x = 330,753.22 × 154,757.66
  4. Step 4: Simplify right side
    239,599.22x = 51,186,594,364.67
  5. Step 5: Solve for x
    x = 51,186,594,364.67/239,599.22
  6. Step 6: Final answer
    x = 213,634.23

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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.