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Finding the Fourth Proportional to 186.04, 256.80 and 164.44

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Solution

The fourth proportional to 186.04, 256.80 and 164.44 is: 226.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.04 : 256.80 = 164.44 : x
  2. Step 2: Convert to fraction form
    186.04/256.80 = 164.44/x
  3. Step 3: Cross multiply
    186.04x = 256.80 × 164.44
  4. Step 4: Simplify right side
    186.04x = 42,228.19
  5. Step 5: Solve for x
    x = 42,228.19/186.04
  6. Step 6: Final answer
    x = 226.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.