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Finding the Fourth Proportional to 189,185.41, 283,769.90 and 47,027.68

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Solution

The fourth proportional to 189,185.41, 283,769.90 and 47,027.68 is: 70,539.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,185.41 : 283,769.90 = 47,027.68 : x
  2. Step 2: Convert to fraction form
    189,185.41/283,769.90 = 47,027.68/x
  3. Step 3: Cross multiply
    189,185.41x = 283,769.90 × 47,027.68
  4. Step 4: Simplify right side
    189,185.41x = 13,345,040,050.83
  5. Step 5: Solve for x
    x = 13,345,040,050.83/189,185.41
  6. Step 6: Final answer
    x = 70,539.48

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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.