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Finding the Fourth Proportional to 125,469.16, 188,211.05 and 35,504.34

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Solution

The fourth proportional to 125,469.16, 188,211.05 and 35,504.34 is: 53,258.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,469.16 : 188,211.05 = 35,504.34 : x
  2. Step 2: Convert to fraction form
    125,469.16/188,211.05 = 35,504.34/x
  3. Step 3: Cross multiply
    125,469.16x = 188,211.05 × 35,504.34
  4. Step 4: Simplify right side
    125,469.16x = 6,682,309,110.96
  5. Step 5: Solve for x
    x = 6,682,309,110.96/125,469.16
  6. Step 6: Final answer
    x = 53,258.58

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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.