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Finding the Fourth Proportional to 303,739.27, 455,324.76 and 135,168.01

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Solution

The fourth proportional to 303,739.27, 455,324.76 and 135,168.01 is: 202,625.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,739.27 : 455,324.76 = 135,168.01 : x
  2. Step 2: Convert to fraction form
    303,739.27/455,324.76 = 135,168.01/x
  3. Step 3: Cross multiply
    303,739.27x = 455,324.76 × 135,168.01
  4. Step 4: Simplify right side
    303,739.27x = 61,545,340,574.62
  5. Step 5: Solve for x
    x = 61,545,340,574.62/303,739.27
  6. Step 6: Final answer
    x = 202,625.56

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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.