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Finding the Fourth Proportional to 193,879.96, 267,551.52 and 107,838.04

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Solution

The fourth proportional to 193,879.96, 267,551.52 and 107,838.04 is: 148,814.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,879.96 : 267,551.52 = 107,838.04 : x
  2. Step 2: Convert to fraction form
    193,879.96/267,551.52 = 107,838.04/x
  3. Step 3: Cross multiply
    193,879.96x = 267,551.52 × 107,838.04
  4. Step 4: Simplify right side
    193,879.96x = 28,852,231,515.82
  5. Step 5: Solve for x
    x = 28,852,231,515.82/193,879.96
  6. Step 6: Final answer
    x = 148,814.92

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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.