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Finding the Fourth Proportional to 178,950.81, 268,229.37 and 73,712.37

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Solution

The fourth proportional to 178,950.81, 268,229.37 and 73,712.37 is: 110,487.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,950.81 : 268,229.37 = 73,712.37 : x
  2. Step 2: Convert to fraction form
    178,950.81/268,229.37 = 73,712.37/x
  3. Step 3: Cross multiply
    178,950.81x = 268,229.37 × 73,712.37
  4. Step 4: Simplify right side
    178,950.81x = 19,771,822,566.31
  5. Step 5: Solve for x
    x = 19,771,822,566.31/178,950.81
  6. Step 6: Final answer
    x = 110,487.47

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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.