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Finding the Fourth Proportional to 194.72, 292.32 and 184.64

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Solution

The fourth proportional to 194.72, 292.32 and 184.64 is: 277.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.72 : 292.32 = 184.64 : x
  2. Step 2: Convert to fraction form
    194.72/292.32 = 184.64/x
  3. Step 3: Cross multiply
    194.72x = 292.32 × 184.64
  4. Step 4: Simplify right side
    194.72x = 53,973.96
  5. Step 5: Solve for x
    x = 53,973.96/194.72
  6. Step 6: Final answer
    x = 277.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.