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Finding the Fourth Proportional to 162.04, 223.02 and 133

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Solution

The fourth proportional to 162.04, 223.02 and 133 is: 183.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.04 : 223.02 = 133 : x
  2. Step 2: Convert to fraction form
    162.04/223.02 = 133/x
  3. Step 3: Cross multiply
    162.04x = 223.02 × 133
  4. Step 4: Simplify right side
    162.04x = 29,661.66
  5. Step 5: Solve for x
    x = 29,661.66/162.04
  6. Step 6: Final answer
    x = 183.05

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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.