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Finding the Fourth Proportional to 190.55, 262.95 and 184.00

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Solution

The fourth proportional to 190.55, 262.95 and 184.00 is: 253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.55 : 262.95 = 184.00 : x
  2. Step 2: Convert to fraction form
    190.55/262.95 = 184.00/x
  3. Step 3: Cross multiply
    190.55x = 262.95 × 184.00
  4. Step 4: Simplify right side
    190.55x = 48,381.21
  5. Step 5: Solve for x
    x = 48,381.21/190.55
  6. Step 6: Final answer
    x = 253.90

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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.