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Finding the Fourth Proportional to 260.15, 359.00 and 166.93

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Solution

The fourth proportional to 260.15, 359.00 and 166.93 is: 230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.15 : 359.00 = 166.93 : x
  2. Step 2: Convert to fraction form
    260.15/359.00 = 166.93/x
  3. Step 3: Cross multiply
    260.15x = 359.00 × 166.93
  4. Step 4: Simplify right side
    260.15x = 59,928.40
  5. Step 5: Solve for x
    x = 59,928.40/260.15
  6. Step 6: Final answer
    x = 230.36

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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.