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Finding the Fourth Proportional to 125,410.80, 188,116.56 and 50,508.48

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Solution

The fourth proportional to 125,410.80, 188,116.56 and 50,508.48 is: 75,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,410.80 : 188,116.56 = 50,508.48 : x
  2. Step 2: Convert to fraction form
    125,410.80/188,116.56 = 50,508.48/x
  3. Step 3: Cross multiply
    125,410.80x = 188,116.56 × 50,508.48
  4. Step 4: Simplify right side
    125,410.80x = 9,501,481,508.43
  5. Step 5: Solve for x
    x = 9,501,481,508.43/125,410.80
  6. Step 6: Final answer
    x = 75,762.86

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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.