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Finding the Fourth Proportional to 196,670.80, 295,006.20 and 134,462.80

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Solution

The fourth proportional to 196,670.80, 295,006.20 and 134,462.80 is: 201,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,670.80 : 295,006.20 = 134,462.80 : x
  2. Step 2: Convert to fraction form
    196,670.80/295,006.20 = 134,462.80/x
  3. Step 3: Cross multiply
    196,670.80x = 295,006.20 × 134,462.80
  4. Step 4: Simplify right side
    196,670.80x = 39,667,359,669.36
  5. Step 5: Solve for x
    x = 39,667,359,669.36/196,670.80
  6. Step 6: Final answer
    x = 201,694.20

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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.