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Finding the Fourth Proportional to 262,678.62, 394,069.42 and 94,153.87

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Solution

The fourth proportional to 262,678.62, 394,069.42 and 94,153.87 is: 141,249.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,678.62 : 394,069.42 = 94,153.87 : x
  2. Step 2: Convert to fraction form
    262,678.62/394,069.42 = 94,153.87/x
  3. Step 3: Cross multiply
    262,678.62x = 394,069.42 × 94,153.87
  4. Step 4: Simplify right side
    262,678.62x = 37,103,160,941.66
  5. Step 5: Solve for x
    x = 37,103,160,941.66/262,678.62
  6. Step 6: Final answer
    x = 141,249.26

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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.