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Finding the Fourth Proportional to 191,626.73, 264,453.06 and 106,743.83

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Solution

The fourth proportional to 191,626.73, 264,453.06 and 106,743.83 is: 147,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,626.73 : 264,453.06 = 106,743.83 : x
  2. Step 2: Convert to fraction form
    191,626.73/264,453.06 = 106,743.83/x
  3. Step 3: Cross multiply
    191,626.73x = 264,453.06 × 106,743.83
  4. Step 4: Simplify right side
    191,626.73x = 28,228,732,479.62
  5. Step 5: Solve for x
    x = 28,228,732,479.62/191,626.73
  6. Step 6: Final answer
    x = 147,311.04

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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.