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Finding the Fourth Proportional to 189,081.44, 283,732.40 and 70,835.84

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Solution

The fourth proportional to 189,081.44, 283,732.40 and 70,835.84 is: 106,295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,081.44 : 283,732.40 = 70,835.84 : x
  2. Step 2: Convert to fraction form
    189,081.44/283,732.40 = 70,835.84/x
  3. Step 3: Cross multiply
    189,081.44x = 283,732.40 × 70,835.84
  4. Step 4: Simplify right side
    189,081.44x = 20,098,422,889.22
  5. Step 5: Solve for x
    x = 20,098,422,889.22/189,081.44
  6. Step 6: Final answer
    x = 106,295.06

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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.