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Finding the Fourth Proportional to 262,848.30, 394,272.45 and 94,449.30

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Solution

The fourth proportional to 262,848.30, 394,272.45 and 94,449.30 is: 141,673.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,848.30 : 394,272.45 = 94,449.30 : x
  2. Step 2: Convert to fraction form
    262,848.30/394,272.45 = 94,449.30/x
  3. Step 3: Cross multiply
    262,848.30x = 394,272.45 × 94,449.30
  4. Step 4: Simplify right side
    262,848.30x = 37,238,756,911.79
  5. Step 5: Solve for x
    x = 37,238,756,911.79/262,848.30
  6. Step 6: Final answer
    x = 141,673.95

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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.