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Finding the Fourth Proportional to 292.50, 403.56 and 181.98

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Solution

The fourth proportional to 292.50, 403.56 and 181.98 is: 251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.50 : 403.56 = 181.98 : x
  2. Step 2: Convert to fraction form
    292.50/403.56 = 181.98/x
  3. Step 3: Cross multiply
    292.50x = 403.56 × 181.98
  4. Step 4: Simplify right side
    292.50x = 73,439.85
  5. Step 5: Solve for x
    x = 73,439.85/292.50
  6. Step 6: Final answer
    x = 251.08

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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.