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Finding the Fourth Proportional to 125,764.76, 188,626.63 and 36,997.51

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Solution

The fourth proportional to 125,764.76, 188,626.63 and 36,997.51 is: 55,490.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,764.76 : 188,626.63 = 36,997.51 : x
  2. Step 2: Convert to fraction form
    125,764.76/188,626.63 = 36,997.51/x
  3. Step 3: Cross multiply
    125,764.76x = 188,626.63 × 36,997.51
  4. Step 4: Simplify right side
    125,764.76x = 6,978,715,629.69
  5. Step 5: Solve for x
    x = 6,978,715,629.69/125,764.76
  6. Step 6: Final answer
    x = 55,490.23

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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.