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Finding the Fourth Proportional to 236.04, 354.05 and 105.99

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Solution

The fourth proportional to 236.04, 354.05 and 105.99 is: 158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.04 : 354.05 = 105.99 : x
  2. Step 2: Convert to fraction form
    236.04/354.05 = 105.99/x
  3. Step 3: Cross multiply
    236.04x = 354.05 × 105.99
  4. Step 4: Simplify right side
    236.04x = 37,525.23
  5. Step 5: Solve for x
    x = 37,525.23/236.04
  6. Step 6: Final answer
    x = 158.98

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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.