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Finding the Fourth Proportional to 169.04, 233.40 and 117.44

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Solution

The fourth proportional to 169.04, 233.40 and 117.44 is: 162.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.04 : 233.40 = 117.44 : x
  2. Step 2: Convert to fraction form
    169.04/233.40 = 117.44/x
  3. Step 3: Cross multiply
    169.04x = 233.40 × 117.44
  4. Step 4: Simplify right side
    169.04x = 27,410.50
  5. Step 5: Solve for x
    x = 27,410.50/169.04
  6. Step 6: Final answer
    x = 162.15

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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.