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Finding the Fourth Proportional to 125.83, 188.75 and 44.68

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Solution

The fourth proportional to 125.83, 188.75 and 44.68 is: 67.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.83 : 188.75 = 44.68 : x
  2. Step 2: Convert to fraction form
    125.83/188.75 = 44.68/x
  3. Step 3: Cross multiply
    125.83x = 188.75 × 44.68
  4. Step 4: Simplify right side
    125.83x = 8,432.56
  5. Step 5: Solve for x
    x = 8,432.56/125.83
  6. Step 6: Final answer
    x = 67.02

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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.