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Finding the Fourth Proportional to 125,819.08, 188,698.38 and 37,048.48

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Solution

The fourth proportional to 125,819.08, 188,698.38 and 37,048.48 is: 55,563.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,819.08 : 188,698.38 = 37,048.48 : x
  2. Step 2: Convert to fraction form
    125,819.08/188,698.38 = 37,048.48/x
  3. Step 3: Cross multiply
    125,819.08x = 188,698.38 × 37,048.48
  4. Step 4: Simplify right side
    125,819.08x = 6,990,988,157.46
  5. Step 5: Solve for x
    x = 6,990,988,157.46/125,819.08
  6. Step 6: Final answer
    x = 55,563.82

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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.