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Finding the Fourth Proportional to 262,842, 394,262.95 and 63,162.38

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Solution

The fourth proportional to 262,842, 394,262.95 and 63,162.38 is: 94,743.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,842 : 394,262.95 = 63,162.38 : x
  2. Step 2: Convert to fraction form
    262,842/394,262.95 = 63,162.38/x
  3. Step 3: Cross multiply
    262,842x = 394,262.95 × 63,162.38
  4. Step 4: Simplify right side
    262,842x = 24,902,585,952.01
  5. Step 5: Solve for x
    x = 24,902,585,952.01/262,842
  6. Step 6: Final answer
    x = 94,743.56

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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.