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Finding the Fourth Proportional to 262,365.99, 393,216.78 and 167,559.54

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Solution

The fourth proportional to 262,365.99, 393,216.78 and 167,559.54 is: 251,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,365.99 : 393,216.78 = 167,559.54 : x
  2. Step 2: Convert to fraction form
    262,365.99/393,216.78 = 167,559.54/x
  3. Step 3: Cross multiply
    262,365.99x = 393,216.78 × 167,559.54
  4. Step 4: Simplify right side
    262,365.99x = 65,887,222,777.08
  5. Step 5: Solve for x
    x = 65,887,222,777.08/262,365.99
  6. Step 6: Final answer
    x = 251,127.15

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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.