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Finding the Fourth Proportional to 191,604.85, 264,414.77 and 111,079.05

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Solution

The fourth proportional to 191,604.85, 264,414.77 and 111,079.05 is: 153,289.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,604.85 : 264,414.77 = 111,079.05 : x
  2. Step 2: Convert to fraction form
    191,604.85/264,414.77 = 111,079.05/x
  3. Step 3: Cross multiply
    191,604.85x = 264,414.77 × 111,079.05
  4. Step 4: Simplify right side
    191,604.85x = 29,370,940,327.16
  5. Step 5: Solve for x
    x = 29,370,940,327.16/191,604.85
  6. Step 6: Final answer
    x = 153,289.13

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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.