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Finding the Fourth Proportional to 192.18, 264.48 and 183.98

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Solution

The fourth proportional to 192.18, 264.48 and 183.98 is: 253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.18 : 264.48 = 183.98 : x
  2. Step 2: Convert to fraction form
    192.18/264.48 = 183.98/x
  3. Step 3: Cross multiply
    192.18x = 264.48 × 183.98
  4. Step 4: Simplify right side
    192.18x = 48,659.03
  5. Step 5: Solve for x
    x = 48,659.03/192.18
  6. Step 6: Final answer
    x = 253.20

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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.