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Finding the Fourth Proportional to 125,762.99, 188,644.31 and 50,883.72

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Solution

The fourth proportional to 125,762.99, 188,644.31 and 50,883.72 is: 76,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,762.99 : 188,644.31 = 50,883.72 : x
  2. Step 2: Convert to fraction form
    125,762.99/188,644.31 = 50,883.72/x
  3. Step 3: Cross multiply
    125,762.99x = 188,644.31 × 50,883.72
  4. Step 4: Simplify right side
    125,762.99x = 9,598,923,995.21
  5. Step 5: Solve for x
    x = 9,598,923,995.21/125,762.99
  6. Step 6: Final answer
    x = 76,325.51

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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.