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Finding the Fourth Proportional to 239,787.44, 359,888.56 and 92,147.12

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Solution

The fourth proportional to 239,787.44, 359,888.56 and 92,147.12 is: 138,300.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,787.44 : 359,888.56 = 92,147.12 : x
  2. Step 2: Convert to fraction form
    239,787.44/359,888.56 = 92,147.12/x
  3. Step 3: Cross multiply
    239,787.44x = 359,888.56 × 92,147.12
  4. Step 4: Simplify right side
    239,787.44x = 33,162,694,324.95
  5. Step 5: Solve for x
    x = 33,162,694,324.95/239,787.44
  6. Step 6: Final answer
    x = 138,300.38

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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.