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Finding the Fourth Proportional to 301,158.54, 451,135.47 and 181,149.21

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Solution

The fourth proportional to 301,158.54, 451,135.47 and 181,149.21 is: 271,361.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,158.54 : 451,135.47 = 181,149.21 : x
  2. Step 2: Convert to fraction form
    301,158.54/451,135.47 = 181,149.21/x
  3. Step 3: Cross multiply
    301,158.54x = 451,135.47 × 181,149.21
  4. Step 4: Simplify right side
    301,158.54x = 81,722,833,993.48
  5. Step 5: Solve for x
    x = 81,722,833,993.48/301,158.54
  6. Step 6: Final answer
    x = 271,361.50

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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.