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Finding the Fourth Proportional to 196.02, 294 and 103.46

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Solution

The fourth proportional to 196.02, 294 and 103.46 is: 155.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.02 : 294 = 103.46 : x
  2. Step 2: Convert to fraction form
    196.02/294 = 103.46/x
  3. Step 3: Cross multiply
    196.02x = 294 × 103.46
  4. Step 4: Simplify right side
    196.02x = 30,417.24
  5. Step 5: Solve for x
    x = 30,417.24/196.02
  6. Step 6: Final answer
    x = 155.17

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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.