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Finding the Fourth Proportional to 125.33, 187.95 and 44.16

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Solution

The fourth proportional to 125.33, 187.95 and 44.16 is: 66.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.33 : 187.95 = 44.16 : x
  2. Step 2: Convert to fraction form
    125.33/187.95 = 44.16/x
  3. Step 3: Cross multiply
    125.33x = 187.95 × 44.16
  4. Step 4: Simplify right side
    125.33x = 8,299.33
  5. Step 5: Solve for x
    x = 8,299.33/125.33
  6. Step 6: Final answer
    x = 66.22

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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.