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Finding the Fourth Proportional to 194.91, 291.56 and 175.98

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Solution

The fourth proportional to 194.91, 291.56 and 175.98 is: 263.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.91 : 291.56 = 175.98 : x
  2. Step 2: Convert to fraction form
    194.91/291.56 = 175.98/x
  3. Step 3: Cross multiply
    194.91x = 291.56 × 175.98
  4. Step 4: Simplify right side
    194.91x = 51,307.85
  5. Step 5: Solve for x
    x = 51,307.85/194.91
  6. Step 6: Final answer
    x = 263.24

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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.