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Finding the Fourth Proportional to 191,996.73, 264,955.05 and 111,471.39

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Solution

The fourth proportional to 191,996.73, 264,955.05 and 111,471.39 is: 153,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,996.73 : 264,955.05 = 111,471.39 : x
  2. Step 2: Convert to fraction form
    191,996.73/264,955.05 = 111,471.39/x
  3. Step 3: Cross multiply
    191,996.73x = 264,955.05 × 111,471.39
  4. Step 4: Simplify right side
    191,996.73x = 29,534,907,711.02
  5. Step 5: Solve for x
    x = 29,534,907,711.02/191,996.73
  6. Step 6: Final answer
    x = 153,830.26

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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.