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Finding the Fourth Proportional to 262,842.30, 394,263.45 and 94,443.30

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Solution

The fourth proportional to 262,842.30, 394,263.45 and 94,443.30 is: 141,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,842.30 : 394,263.45 = 94,443.30 : x
  2. Step 2: Convert to fraction form
    262,842.30/394,263.45 = 94,443.30/x
  3. Step 3: Cross multiply
    262,842.30x = 394,263.45 × 94,443.30
  4. Step 4: Simplify right side
    262,842.30x = 37,235,541,287.39
  5. Step 5: Solve for x
    x = 37,235,541,287.39/262,842.30
  6. Step 6: Final answer
    x = 141,664.95

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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.