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Finding the Fourth Proportional to 189,278.98, 283,568.55 and 95,560.90

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Solution

The fourth proportional to 189,278.98, 283,568.55 and 95,560.90 is: 143,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,278.98 : 283,568.55 = 95,560.90 : x
  2. Step 2: Convert to fraction form
    189,278.98/283,568.55 = 95,560.90/x
  3. Step 3: Cross multiply
    189,278.98x = 283,568.55 × 95,560.90
  4. Step 4: Simplify right side
    189,278.98x = 27,098,065,849.70
  5. Step 5: Solve for x
    x = 27,098,065,849.70/189,278.98
  6. Step 6: Final answer
    x = 143,164.69

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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.