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Finding the Fourth Proportional to 194.48, 266.72 and 184.58

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Solution

The fourth proportional to 194.48, 266.72 and 184.58 is: 253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.48 : 266.72 = 184.58 : x
  2. Step 2: Convert to fraction form
    194.48/266.72 = 184.58/x
  3. Step 3: Cross multiply
    194.48x = 266.72 × 184.58
  4. Step 4: Simplify right side
    194.48x = 49,230.31
  5. Step 5: Solve for x
    x = 49,230.31/194.48
  6. Step 6: Final answer
    x = 253.14

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.