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Finding the Fourth Proportional to 191,383.39, 264,138.11 and 114,944.70

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Solution

The fourth proportional to 191,383.39, 264,138.11 and 114,944.70 is: 158,641.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,383.39 : 264,138.11 = 114,944.70 : x
  2. Step 2: Convert to fraction form
    191,383.39/264,138.11 = 114,944.70/x
  3. Step 3: Cross multiply
    191,383.39x = 264,138.11 × 114,944.70
  4. Step 4: Simplify right side
    191,383.39x = 30,361,275,812.52
  5. Step 5: Solve for x
    x = 30,361,275,812.52/191,383.39
  6. Step 6: Final answer
    x = 158,641.12

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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.