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Finding the Fourth Proportional to 184.44, 253.92 and 172.19

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Solution

The fourth proportional to 184.44, 253.92 and 172.19 is: 237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.44 : 253.92 = 172.19 : x
  2. Step 2: Convert to fraction form
    184.44/253.92 = 172.19/x
  3. Step 3: Cross multiply
    184.44x = 253.92 × 172.19
  4. Step 4: Simplify right side
    184.44x = 43,721.22
  5. Step 5: Solve for x
    x = 43,721.22/184.44
  6. Step 6: Final answer
    x = 237.05

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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.