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Finding the Fourth Proportional to 79,594.44, 109,843.20 and 43,787.16

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Solution

The fourth proportional to 79,594.44, 109,843.20 and 43,787.16 is: 60,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,594.44 : 109,843.20 = 43,787.16 : x
  2. Step 2: Convert to fraction form
    79,594.44/109,843.20 = 43,787.16/x
  3. Step 3: Cross multiply
    79,594.44x = 109,843.20 × 43,787.16
  4. Step 4: Simplify right side
    79,594.44x = 4,809,721,773.31
  5. Step 5: Solve for x
    x = 4,809,721,773.31/79,594.44
  6. Step 6: Final answer
    x = 60,427.86

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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.