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Finding the Fourth Proportional to 181,319.64, 271,979.42 and 56,660.64

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Solution

The fourth proportional to 181,319.64, 271,979.42 and 56,660.64 is: 84,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,319.64 : 271,979.42 = 56,660.64 : x
  2. Step 2: Convert to fraction form
    181,319.64/271,979.42 = 56,660.64/x
  3. Step 3: Cross multiply
    181,319.64x = 271,979.42 × 56,660.64
  4. Step 4: Simplify right side
    181,319.64x = 15,410,527,720.73
  5. Step 5: Solve for x
    x = 15,410,527,720.73/181,319.64
  6. Step 6: Final answer
    x = 84,990.95

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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.