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Finding the Fourth Proportional to 163.84, 246.02 and 146.51

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Solution

The fourth proportional to 163.84, 246.02 and 146.51 is: 220.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.84 : 246.02 = 146.51 : x
  2. Step 2: Convert to fraction form
    163.84/246.02 = 146.51/x
  3. Step 3: Cross multiply
    163.84x = 246.02 × 146.51
  4. Step 4: Simplify right side
    163.84x = 36,044.39
  5. Step 5: Solve for x
    x = 36,044.39/163.84
  6. Step 6: Final answer
    x = 220.00

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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.