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Finding the Fourth Proportional to 125,505, 188,217.58 and 41,245.72

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Solution

The fourth proportional to 125,505, 188,217.58 and 41,245.72 is: 61,855.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,505 : 188,217.58 = 41,245.72 : x
  2. Step 2: Convert to fraction form
    125,505/188,217.58 = 41,245.72/x
  3. Step 3: Cross multiply
    125,505x = 188,217.58 × 41,245.72
  4. Step 4: Simplify right side
    125,505x = 7,763,169,603.76
  5. Step 5: Solve for x
    x = 7,763,169,603.76/125,505
  6. Step 6: Final answer
    x = 61,855.46

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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.