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Finding the Fourth Proportional to 192,865.52, 266,096.85 and 124,774.64

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Solution

The fourth proportional to 192,865.52, 266,096.85 and 124,774.64 is: 172,151.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,865.52 : 266,096.85 = 124,774.64 : x
  2. Step 2: Convert to fraction form
    192,865.52/266,096.85 = 124,774.64/x
  3. Step 3: Cross multiply
    192,865.52x = 266,096.85 × 124,774.64
  4. Step 4: Simplify right side
    192,865.52x = 33,202,137,863.36
  5. Step 5: Solve for x
    x = 33,202,137,863.36/192,865.52
  6. Step 6: Final answer
    x = 172,151.75

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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.