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Finding the Fourth Proportional to 261.76, 360.96 and 184

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Solution

The fourth proportional to 261.76, 360.96 and 184 is: 253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    261.76 : 360.96 = 184 : x
  2. Step 2: Convert to fraction form
    261.76/360.96 = 184/x
  3. Step 3: Cross multiply
    261.76x = 360.96 × 184
  4. Step 4: Simplify right side
    261.76x = 66,416.64
  5. Step 5: Solve for x
    x = 66,416.64/261.76
  6. Step 6: Final answer
    x = 253.73

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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.