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Finding the Fourth Proportional to 189,018.88, 283,704 and 95,591.68

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Solution

The fourth proportional to 189,018.88, 283,704 and 95,591.68 is: 143,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,018.88 : 283,704 = 95,591.68 : x
  2. Step 2: Convert to fraction form
    189,018.88/283,704 = 95,591.68/x
  3. Step 3: Cross multiply
    189,018.88x = 283,704 × 95,591.68
  4. Step 4: Simplify right side
    189,018.88x = 27,119,741,982.72
  5. Step 5: Solve for x
    x = 27,119,741,982.72/189,018.88
  6. Step 6: Final answer
    x = 143,476.37

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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.