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Finding the Fourth Proportional to 271.04, 373.76 and 177.68

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Solution

The fourth proportional to 271.04, 373.76 and 177.68 is: 245.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.04 : 373.76 = 177.68 : x
  2. Step 2: Convert to fraction form
    271.04/373.76 = 177.68/x
  3. Step 3: Cross multiply
    271.04x = 373.76 × 177.68
  4. Step 4: Simplify right side
    271.04x = 66,409.68
  5. Step 5: Solve for x
    x = 66,409.68/271.04
  6. Step 6: Final answer
    x = 245.02

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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.