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Finding the Fourth Proportional to 125,346.70, 188,026.20 and 41,072.68

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Solution

The fourth proportional to 125,346.70, 188,026.20 and 41,072.68 is: 61,611.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,346.70 : 188,026.20 = 41,072.68 : x
  2. Step 2: Convert to fraction form
    125,346.70/188,026.20 = 41,072.68/x
  3. Step 3: Cross multiply
    125,346.70x = 188,026.20 × 41,072.68
  4. Step 4: Simplify right side
    125,346.70x = 7,722,739,944.22
  5. Step 5: Solve for x
    x = 7,722,739,944.22/125,346.70
  6. Step 6: Final answer
    x = 61,611.04

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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.