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Finding the Fourth Proportional to 73,316.41, 110,150.70 and 47,072.41

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Solution

The fourth proportional to 73,316.41, 110,150.70 and 47,072.41 is: 70,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,316.41 : 110,150.70 = 47,072.41 : x
  2. Step 2: Convert to fraction form
    73,316.41/110,150.70 = 47,072.41/x
  3. Step 3: Cross multiply
    73,316.41x = 110,150.70 × 47,072.41
  4. Step 4: Simplify right side
    73,316.41x = 5,185,058,912.19
  5. Step 5: Solve for x
    x = 5,185,058,912.19/73,316.41
  6. Step 6: Final answer
    x = 70,721.67

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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.