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Finding the Fourth Proportional to 161,224.12, 241,720.62 and 75,787.12

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Solution

The fourth proportional to 161,224.12, 241,720.62 and 75,787.12 is: 113,626.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,224.12 : 241,720.62 = 75,787.12 : x
  2. Step 2: Convert to fraction form
    161,224.12/241,720.62 = 75,787.12/x
  3. Step 3: Cross multiply
    161,224.12x = 241,720.62 × 75,787.12
  4. Step 4: Simplify right side
    161,224.12x = 18,319,309,634.41
  5. Step 5: Solve for x
    x = 18,319,309,634.41/161,224.12
  6. Step 6: Final answer
    x = 113,626.36

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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.