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Finding the Fourth Proportional to 192,082.52, 265,040.58 and 111,491.96

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Solution

The fourth proportional to 192,082.52, 265,040.58 and 111,491.96 is: 153,839.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,082.52 : 265,040.58 = 111,491.96 : x
  2. Step 2: Convert to fraction form
    192,082.52/265,040.58 = 111,491.96/x
  3. Step 3: Cross multiply
    192,082.52x = 265,040.58 × 111,491.96
  4. Step 4: Simplify right side
    192,082.52x = 29,549,893,743.74
  5. Step 5: Solve for x
    x = 29,549,893,743.74/192,082.52
  6. Step 6: Final answer
    x = 153,839.58

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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.