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Finding the Fourth Proportional to 191,713.11, 264,532.97 and 111,124.89

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Solution

The fourth proportional to 191,713.11, 264,532.97 and 111,124.89 is: 153,334.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,713.11 : 264,532.97 = 111,124.89 : x
  2. Step 2: Convert to fraction form
    191,713.11/264,532.97 = 111,124.89/x
  3. Step 3: Cross multiply
    191,713.11x = 264,532.97 × 111,124.89
  4. Step 4: Simplify right side
    191,713.11x = 29,396,197,470.44
  5. Step 5: Solve for x
    x = 29,396,197,470.44/191,713.11
  6. Step 6: Final answer
    x = 153,334.31

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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.