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Finding the Fourth Proportional to 125.03, 187.24 and 107

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Solution

The fourth proportional to 125.03, 187.24 and 107 is: 160.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.03 : 187.24 = 107 : x
  2. Step 2: Convert to fraction form
    125.03/187.24 = 107/x
  3. Step 3: Cross multiply
    125.03x = 187.24 × 107
  4. Step 4: Simplify right side
    125.03x = 20,034.15
  5. Step 5: Solve for x
    x = 20,034.15/125.03
  6. Step 6: Final answer
    x = 160.24

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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.