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Finding the Fourth Proportional to 191,755.38, 264,623.31 and 111,230.58

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Solution

The fourth proportional to 191,755.38, 264,623.31 and 111,230.58 is: 153,498.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,755.38 : 264,623.31 = 111,230.58 : x
  2. Step 2: Convert to fraction form
    191,755.38/264,623.31 = 111,230.58/x
  3. Step 3: Cross multiply
    191,755.38x = 264,623.31 × 111,230.58
  4. Step 4: Simplify right side
    191,755.38x = 29,434,204,252.82
  5. Step 5: Solve for x
    x = 29,434,204,252.82/191,755.38
  6. Step 6: Final answer
    x = 153,498.71

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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.