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Finding the Fourth Proportional to 321,163.22, 443,192.64 and 177,925.52

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Solution

The fourth proportional to 321,163.22, 443,192.64 and 177,925.52 is: 245,530.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,163.22 : 443,192.64 = 177,925.52 : x
  2. Step 2: Convert to fraction form
    321,163.22/443,192.64 = 177,925.52/x
  3. Step 3: Cross multiply
    321,163.22x = 443,192.64 × 177,925.52
  4. Step 4: Simplify right side
    321,163.22x = 78,855,280,932.17
  5. Step 5: Solve for x
    x = 78,855,280,932.17/321,163.22
  6. Step 6: Final answer
    x = 245,530.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.