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Finding the Fourth Proportional to 191,446.18, 264,191.34 and 119,865.66

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Solution

The fourth proportional to 191,446.18, 264,191.34 and 119,865.66 is: 165,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,446.18 : 264,191.34 = 119,865.66 : x
  2. Step 2: Convert to fraction form
    191,446.18/264,191.34 = 119,865.66/x
  3. Step 3: Cross multiply
    191,446.18x = 264,191.34 × 119,865.66
  4. Step 4: Simplify right side
    191,446.18x = 31,667,469,335.38
  5. Step 5: Solve for x
    x = 31,667,469,335.38/191,446.18
  6. Step 6: Final answer
    x = 165,411.86

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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.