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Finding the Fourth Proportional to 191,913.82, 264,755.44 and 111,294.62

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Solution

The fourth proportional to 191,913.82, 264,755.44 and 111,294.62 is: 153,536.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,913.82 : 264,755.44 = 111,294.62 : x
  2. Step 2: Convert to fraction form
    191,913.82/264,755.44 = 111,294.62/x
  3. Step 3: Cross multiply
    191,913.82x = 264,755.44 × 111,294.62
  4. Step 4: Simplify right side
    191,913.82x = 29,465,854,485.72
  5. Step 5: Solve for x
    x = 29,465,854,485.72/191,913.82
  6. Step 6: Final answer
    x = 153,536.91

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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.