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Finding the Fourth Proportional to 119,047.69, 178,560.60 and 40,162.60

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Solution

The fourth proportional to 119,047.69, 178,560.60 and 40,162.60 is: 60,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,047.69 : 178,560.60 = 40,162.60 : x
  2. Step 2: Convert to fraction form
    119,047.69/178,560.60 = 40,162.60/x
  3. Step 3: Cross multiply
    119,047.69x = 178,560.60 × 40,162.60
  4. Step 4: Simplify right side
    119,047.69x = 7,171,458,252.07
  5. Step 5: Solve for x
    x = 7,171,458,252.07/119,047.69
  6. Step 6: Final answer
    x = 60,240.21

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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.