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Finding the Fourth Proportional to 196,967.79, 295,729.11 and 100,974.87

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Solution

The fourth proportional to 196,967.79, 295,729.11 and 100,974.87 is: 151,604.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,967.79 : 295,729.11 = 100,974.87 : x
  2. Step 2: Convert to fraction form
    196,967.79/295,729.11 = 100,974.87/x
  3. Step 3: Cross multiply
    196,967.79x = 295,729.11 × 100,974.87
  4. Step 4: Simplify right side
    196,967.79x = 29,861,208,437.47
  5. Step 5: Solve for x
    x = 29,861,208,437.47/196,967.79
  6. Step 6: Final answer
    x = 151,604.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.