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Finding the Fourth Proportional to 178,946.81, 268,223.37 and 73,708.37

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Solution

The fourth proportional to 178,946.81, 268,223.37 and 73,708.37 is: 110,481.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,946.81 : 268,223.37 = 73,708.37 : x
  2. Step 2: Convert to fraction form
    178,946.81/268,223.37 = 73,708.37/x
  3. Step 3: Cross multiply
    178,946.81x = 268,223.37 × 73,708.37
  4. Step 4: Simplify right side
    178,946.81x = 19,770,307,398.61
  5. Step 5: Solve for x
    x = 19,770,307,398.61/178,946.81
  6. Step 6: Final answer
    x = 110,481.47

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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.