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Finding the Fourth Proportional to 73,466.80, 101,269.04 and 47,928.11

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Solution

The fourth proportional to 73,466.80, 101,269.04 and 47,928.11 is: 66,065.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,466.80 : 101,269.04 = 47,928.11 : x
  2. Step 2: Convert to fraction form
    73,466.80/101,269.04 = 47,928.11/x
  3. Step 3: Cross multiply
    73,466.80x = 101,269.04 × 47,928.11
  4. Step 4: Simplify right side
    73,466.80x = 4,853,632,942.73
  5. Step 5: Solve for x
    x = 4,853,632,942.73/73,466.80
  6. Step 6: Final answer
    x = 66,065.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.