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Finding the Fourth Proportional to 125.71, 188.49 and 44.53

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Solution

The fourth proportional to 125.71, 188.49 and 44.53 is: 66.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.71 : 188.49 = 44.53 : x
  2. Step 2: Convert to fraction form
    125.71/188.49 = 44.53/x
  3. Step 3: Cross multiply
    125.71x = 188.49 × 44.53
  4. Step 4: Simplify right side
    125.71x = 8,393.46
  5. Step 5: Solve for x
    x = 8,393.46/125.71
  6. Step 6: Final answer
    x = 66.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.