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Finding the Fourth Proportional to 178,858.76, 268,271.73 and 60,516.54

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Solution

The fourth proportional to 178,858.76, 268,271.73 and 60,516.54 is: 90,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,858.76 : 268,271.73 = 60,516.54 : x
  2. Step 2: Convert to fraction form
    178,858.76/268,271.73 = 60,516.54/x
  3. Step 3: Cross multiply
    178,858.76x = 268,271.73 × 60,516.54
  4. Step 4: Simplify right side
    178,858.76x = 16,234,876,879.41
  5. Step 5: Solve for x
    x = 16,234,876,879.41/178,858.76
  6. Step 6: Final answer
    x = 90,769.26

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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.