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Finding the Fourth Proportional to 246,388.80, 340,015.80 and 133,211.56

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Solution

The fourth proportional to 246,388.80, 340,015.80 and 133,211.56 is: 183,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,388.80 : 340,015.80 = 133,211.56 : x
  2. Step 2: Convert to fraction form
    246,388.80/340,015.80 = 133,211.56/x
  3. Step 3: Cross multiply
    246,388.80x = 340,015.80 × 133,211.56
  4. Step 4: Simplify right side
    246,388.80x = 45,294,035,142.65
  5. Step 5: Solve for x
    x = 45,294,035,142.65/246,388.80
  6. Step 6: Final answer
    x = 183,831.55

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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.