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Finding the Fourth Proportional to 181,318.64, 271,977.91 and 56,659.64

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Solution

The fourth proportional to 181,318.64, 271,977.91 and 56,659.64 is: 84,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,318.64 : 271,977.91 = 56,659.64 : x
  2. Step 2: Convert to fraction form
    181,318.64/271,977.91 = 56,659.64/x
  3. Step 3: Cross multiply
    181,318.64x = 271,977.91 × 56,659.64
  4. Step 4: Simplify right side
    181,318.64x = 15,410,170,468.55
  5. Step 5: Solve for x
    x = 15,410,170,468.55/181,318.64
  6. Step 6: Final answer
    x = 84,989.44

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Similar ratio
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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.