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Finding the Fourth Proportional to 178,960.81, 268,244.37 and 73,722.37

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Solution

The fourth proportional to 178,960.81, 268,244.37 and 73,722.37 is: 110,502.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,960.81 : 268,244.37 = 73,722.37 : x
  2. Step 2: Convert to fraction form
    178,960.81/268,244.37 = 73,722.37/x
  3. Step 3: Cross multiply
    178,960.81x = 268,244.37 × 73,722.37
  4. Step 4: Simplify right side
    178,960.81x = 19,775,610,695.56
  5. Step 5: Solve for x
    x = 19,775,610,695.56/178,960.81
  6. Step 6: Final answer
    x = 110,502.47

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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.