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Finding the Fourth Proportional to 165.04, 247.26 and 92.98

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Solution

The fourth proportional to 165.04, 247.26 and 92.98 is: 139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.04 : 247.26 = 92.98 : x
  2. Step 2: Convert to fraction form
    165.04/247.26 = 92.98/x
  3. Step 3: Cross multiply
    165.04x = 247.26 × 92.98
  4. Step 4: Simplify right side
    165.04x = 22,990.23
  5. Step 5: Solve for x
    x = 22,990.23/165.04
  6. Step 6: Final answer
    x = 139.30

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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.