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Finding the Fourth Proportional to 191,924.67, 264,770.40 and 111,305.47

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Solution

The fourth proportional to 191,924.67, 264,770.40 and 111,305.47 is: 153,551.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,924.67 : 264,770.40 = 111,305.47 : x
  2. Step 2: Convert to fraction form
    191,924.67/264,770.40 = 111,305.47/x
  3. Step 3: Cross multiply
    191,924.67x = 264,770.40 × 111,305.47
  4. Step 4: Simplify right side
    191,924.67x = 29,470,393,814.09
  5. Step 5: Solve for x
    x = 29,470,393,814.09/191,924.67
  6. Step 6: Final answer
    x = 153,551.88

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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.