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Finding the Fourth Proportional to 125.33, 188 and 44.17

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Solution

The fourth proportional to 125.33, 188 and 44.17 is: 66.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.33 : 188 = 44.17 : x
  2. Step 2: Convert to fraction form
    125.33/188 = 44.17/x
  3. Step 3: Cross multiply
    125.33x = 188 × 44.17
  4. Step 4: Simplify right side
    125.33x = 8,303.96
  5. Step 5: Solve for x
    x = 8,303.96/125.33
  6. Step 6: Final answer
    x = 66.26

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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.