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Finding the Fourth Proportional to 125,704.88, 188,520.41 and 36,937.28

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Solution

The fourth proportional to 125,704.88, 188,520.41 and 36,937.28 is: 55,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,704.88 : 188,520.41 = 36,937.28 : x
  2. Step 2: Convert to fraction form
    125,704.88/188,520.41 = 36,937.28/x
  3. Step 3: Cross multiply
    125,704.88x = 188,520.41 × 36,937.28
  4. Step 4: Simplify right side
    125,704.88x = 6,963,430,042.60
  5. Step 5: Solve for x
    x = 6,963,430,042.60/125,704.88
  6. Step 6: Final answer
    x = 55,395.07

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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.