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Finding the Fourth Proportional to 246,393.70, 340,023.79 and 133,216.45

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Solution

The fourth proportional to 246,393.70, 340,023.79 and 133,216.45 is: 183,838.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,393.70 : 340,023.79 = 133,216.45 : x
  2. Step 2: Convert to fraction form
    246,393.70/340,023.79 = 133,216.45/x
  3. Step 3: Cross multiply
    246,393.70x = 340,023.79 × 133,216.45
  4. Step 4: Simplify right side
    246,393.70x = 45,296,761,535.81
  5. Step 5: Solve for x
    x = 45,296,761,535.81/246,393.70
  6. Step 6: Final answer
    x = 183,838.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.