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Finding the Fourth Proportional to 189,025.12, 283,593.12 and 55,908.88

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Solution

The fourth proportional to 189,025.12, 283,593.12 and 55,908.88 is: 83,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,025.12 : 283,593.12 = 55,908.88 : x
  2. Step 2: Convert to fraction form
    189,025.12/283,593.12 = 55,908.88/x
  3. Step 3: Cross multiply
    189,025.12x = 283,593.12 × 55,908.88
  4. Step 4: Simplify right side
    189,025.12x = 15,855,373,714.91
  5. Step 5: Solve for x
    x = 15,855,373,714.91/189,025.12
  6. Step 6: Final answer
    x = 83,879.72

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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.