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Finding the Fourth Proportional to 262,693.38, 394,000.89 and 73,133.94

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Solution

The fourth proportional to 262,693.38, 394,000.89 and 73,133.94 is: 109,690.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,693.38 : 394,000.89 = 73,133.94 : x
  2. Step 2: Convert to fraction form
    262,693.38/394,000.89 = 73,133.94/x
  3. Step 3: Cross multiply
    262,693.38x = 394,000.89 × 73,133.94
  4. Step 4: Simplify right side
    262,693.38x = 28,814,837,449.21
  5. Step 5: Solve for x
    x = 28,814,837,449.21/262,693.38
  6. Step 6: Final answer
    x = 109,690.00

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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.