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Finding the Fourth Proportional to 191,559.38, 264,351.87 and 111,033.59

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Solution

The fourth proportional to 191,559.38, 264,351.87 and 111,033.59 is: 153,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,559.38 : 264,351.87 = 111,033.59 : x
  2. Step 2: Convert to fraction form
    191,559.38/264,351.87 = 111,033.59/x
  3. Step 3: Cross multiply
    191,559.38x = 264,351.87 × 111,033.59
  4. Step 4: Simplify right side
    191,559.38x = 29,351,935,827.55
  5. Step 5: Solve for x
    x = 29,351,935,827.55/191,559.38
  6. Step 6: Final answer
    x = 153,226.31

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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.