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Finding the Fourth Proportional to 184.65, 254.87 and 111.02

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Solution

The fourth proportional to 184.65, 254.87 and 111.02 is: 153.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.65 : 254.87 = 111.02 : x
  2. Step 2: Convert to fraction form
    184.65/254.87 = 111.02/x
  3. Step 3: Cross multiply
    184.65x = 254.87 × 111.02
  4. Step 4: Simplify right side
    184.65x = 28,293.84
  5. Step 5: Solve for x
    x = 28,293.84/184.65
  6. Step 6: Final answer
    x = 153.23

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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.