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Finding the Fourth Proportional to 235.36, 352.64 and 125.52

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Solution

The fourth proportional to 235.36, 352.64 and 125.52 is: 188.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.36 : 352.64 = 125.52 : x
  2. Step 2: Convert to fraction form
    235.36/352.64 = 125.52/x
  3. Step 3: Cross multiply
    235.36x = 352.64 × 125.52
  4. Step 4: Simplify right side
    235.36x = 44,263.37
  5. Step 5: Solve for x
    x = 44,263.37/235.36
  6. Step 6: Final answer
    x = 188.07

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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.