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Finding the Fourth Proportional to 196.07, 293.65 and 114.98

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Solution

The fourth proportional to 196.07, 293.65 and 114.98 is: 172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.07 : 293.65 = 114.98 : x
  2. Step 2: Convert to fraction form
    196.07/293.65 = 114.98/x
  3. Step 3: Cross multiply
    196.07x = 293.65 × 114.98
  4. Step 4: Simplify right side
    196.07x = 33,762.12
  5. Step 5: Solve for x
    x = 33,762.12/196.07
  6. Step 6: Final answer
    x = 172.20

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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.