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Finding the Fourth Proportional to 184.76, 254.92 and 111.02

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Solution

The fourth proportional to 184.76, 254.92 and 111.02 is: 153.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.76 : 254.92 = 111.02 : x
  2. Step 2: Convert to fraction form
    184.76/254.92 = 111.02/x
  3. Step 3: Cross multiply
    184.76x = 254.92 × 111.02
  4. Step 4: Simplify right side
    184.76x = 28,301.22
  5. Step 5: Solve for x
    x = 28,301.22/184.76
  6. Step 6: Final answer
    x = 153.18

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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.