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Finding the Fourth Proportional to 193,665.50, 267,241.34 and 107,619.01

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Solution

The fourth proportional to 193,665.50, 267,241.34 and 107,619.01 is: 148,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,665.50 : 267,241.34 = 107,619.01 : x
  2. Step 2: Convert to fraction form
    193,665.50/267,241.34 = 107,619.01/x
  3. Step 3: Cross multiply
    193,665.50x = 267,241.34 × 107,619.01
  4. Step 4: Simplify right side
    193,665.50x = 28,760,248,441.87
  5. Step 5: Solve for x
    x = 28,760,248,441.87/193,665.50
  6. Step 6: Final answer
    x = 148,504.76

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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.