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Finding the Fourth Proportional to 178,944.81, 268,220.37 and 73,706.37

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Solution

The fourth proportional to 178,944.81, 268,220.37 and 73,706.37 is: 110,478.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,944.81 : 268,220.37 = 73,706.37 : x
  2. Step 2: Convert to fraction form
    178,944.81/268,220.37 = 73,706.37/x
  3. Step 3: Cross multiply
    178,944.81x = 268,220.37 × 73,706.37
  4. Step 4: Simplify right side
    178,944.81x = 19,769,549,103.33
  5. Step 5: Solve for x
    x = 19,769,549,103.33/178,944.81
  6. Step 6: Final answer
    x = 110,478.47

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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.