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Finding the Fourth Proportional to 363,803.72, 545,504.71 and 168,844.37

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Solution

The fourth proportional to 363,803.72, 545,504.71 and 168,844.37 is: 253,173.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,803.72 : 545,504.71 = 168,844.37 : x
  2. Step 2: Convert to fraction form
    363,803.72/545,504.71 = 168,844.37/x
  3. Step 3: Cross multiply
    363,803.72x = 545,504.71 × 168,844.37
  4. Step 4: Simplify right side
    363,803.72x = 92,105,400,033.63
  5. Step 5: Solve for x
    x = 92,105,400,033.63/363,803.72
  6. Step 6: Final answer
    x = 253,173.34

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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.