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Finding the Fourth Proportional to 193,908, 267,590.08 and 107,866.08

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Solution

The fourth proportional to 193,908, 267,590.08 and 107,866.08 is: 148,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,908 : 267,590.08 = 107,866.08 : x
  2. Step 2: Convert to fraction form
    193,908/267,590.08 = 107,866.08/x
  3. Step 3: Cross multiply
    193,908x = 267,590.08 × 107,866.08
  4. Step 4: Simplify right side
    193,908x = 28,863,892,976.49
  5. Step 5: Solve for x
    x = 28,863,892,976.49/193,908
  6. Step 6: Final answer
    x = 148,853.54

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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.