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Finding the Fourth Proportional to 191,191.94, 263,843.24 and 106,308.26

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Solution

The fourth proportional to 191,191.94, 263,843.24 and 106,308.26 is: 146,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,191.94 : 263,843.24 = 106,308.26 : x
  2. Step 2: Convert to fraction form
    191,191.94/263,843.24 = 106,308.26/x
  3. Step 3: Cross multiply
    191,191.94x = 263,843.24 × 106,308.26
  4. Step 4: Simplify right side
    191,191.94x = 28,048,715,757.16
  5. Step 5: Solve for x
    x = 28,048,715,757.16/191,191.94
  6. Step 6: Final answer
    x = 146,704.49

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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.