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Finding the Fourth Proportional to 189,456.63, 261,450.17 and 104,573.71

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Solution

The fourth proportional to 189,456.63, 261,450.17 and 104,573.71 is: 144,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,456.63 : 261,450.17 = 104,573.71 : x
  2. Step 2: Convert to fraction form
    189,456.63/261,450.17 = 104,573.71/x
  3. Step 3: Cross multiply
    189,456.63x = 261,450.17 × 104,573.71
  4. Step 4: Simplify right side
    189,456.63x = 27,340,814,257.03
  5. Step 5: Solve for x
    x = 27,340,814,257.03/189,456.63
  6. Step 6: Final answer
    x = 144,311.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.