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Finding the Fourth Proportional to 262,905.80, 394,358.70 and 94,506.80

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Solution

The fourth proportional to 262,905.80, 394,358.70 and 94,506.80 is: 141,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,905.80 : 394,358.70 = 94,506.80 : x
  2. Step 2: Convert to fraction form
    262,905.80/394,358.70 = 94,506.80/x
  3. Step 3: Cross multiply
    262,905.80x = 394,358.70 × 94,506.80
  4. Step 4: Simplify right side
    262,905.80x = 37,269,578,789.16
  5. Step 5: Solve for x
    x = 37,269,578,789.16/262,905.80
  6. Step 6: Final answer
    x = 141,760.20

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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.