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Finding the Fourth Proportional to 184.42, 275 and 170.74

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Solution

The fourth proportional to 184.42, 275 and 170.74 is: 254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.42 : 275 = 170.74 : x
  2. Step 2: Convert to fraction form
    184.42/275 = 170.74/x
  3. Step 3: Cross multiply
    184.42x = 275 × 170.74
  4. Step 4: Simplify right side
    184.42x = 46,953.50
  5. Step 5: Solve for x
    x = 46,953.50/184.42
  6. Step 6: Final answer
    x = 254.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.