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Finding the Fourth Proportional to 185,883.68, 278,668.77 and 80,623.37

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Solution

The fourth proportional to 185,883.68, 278,668.77 and 80,623.37 is: 120,867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,883.68 : 278,668.77 = 80,623.37 : x
  2. Step 2: Convert to fraction form
    185,883.68/278,668.77 = 80,623.37/x
  3. Step 3: Cross multiply
    185,883.68x = 278,668.77 × 80,623.37
  4. Step 4: Simplify right side
    185,883.68x = 22,467,213,957.81
  5. Step 5: Solve for x
    x = 22,467,213,957.81/185,883.68
  6. Step 6: Final answer
    x = 120,867.06

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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.