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Finding the Fourth Proportional to 213,793.83, 320,600.53 and 64,055.41

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Solution

The fourth proportional to 213,793.83, 320,600.53 and 64,055.41 is: 96,056.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,793.83 : 320,600.53 = 64,055.41 : x
  2. Step 2: Convert to fraction form
    213,793.83/320,600.53 = 64,055.41/x
  3. Step 3: Cross multiply
    213,793.83x = 320,600.53 × 64,055.41
  4. Step 4: Simplify right side
    213,793.83x = 20,536,198,395.37
  5. Step 5: Solve for x
    x = 20,536,198,395.37/213,793.83
  6. Step 6: Final answer
    x = 96,056.09

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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.