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Finding the Fourth Proportional to 262,249.80, 393,666.30 and 162,522.60

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Solution

The fourth proportional to 262,249.80, 393,666.30 and 162,522.60 is: 243,964.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,249.80 : 393,666.30 = 162,522.60 : x
  2. Step 2: Convert to fraction form
    262,249.80/393,666.30 = 162,522.60/x
  3. Step 3: Cross multiply
    262,249.80x = 393,666.30 × 162,522.60
  4. Step 4: Simplify right side
    262,249.80x = 63,979,670,608.38
  5. Step 5: Solve for x
    x = 63,979,670,608.38/262,249.80
  6. Step 6: Final answer
    x = 243,964.61

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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.