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Finding the Fourth Proportional to 196.58, 294.84 and 59.64

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Solution

The fourth proportional to 196.58, 294.84 and 59.64 is: 89.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.58 : 294.84 = 59.64 : x
  2. Step 2: Convert to fraction form
    196.58/294.84 = 59.64/x
  3. Step 3: Cross multiply
    196.58x = 294.84 × 59.64
  4. Step 4: Simplify right side
    196.58x = 17,584.26
  5. Step 5: Solve for x
    x = 17,584.26/196.58
  6. Step 6: Final answer
    x = 89.45

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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.