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Finding the Fourth Proportional to 160.94, 222.36 and 134.66

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Solution

The fourth proportional to 160.94, 222.36 and 134.66 is: 186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.94 : 222.36 = 134.66 : x
  2. Step 2: Convert to fraction form
    160.94/222.36 = 134.66/x
  3. Step 3: Cross multiply
    160.94x = 222.36 × 134.66
  4. Step 4: Simplify right side
    160.94x = 29,943.00
  5. Step 5: Solve for x
    x = 29,943.00/160.94
  6. Step 6: Final answer
    x = 186.05

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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.