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Finding the Fourth Proportional to 139,060.44, 208,466.90 and 50,294.23

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Solution

The fourth proportional to 139,060.44, 208,466.90 and 50,294.23 is: 75,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,060.44 : 208,466.90 = 50,294.23 : x
  2. Step 2: Convert to fraction form
    139,060.44/208,466.90 = 50,294.23/x
  3. Step 3: Cross multiply
    139,060.44x = 208,466.90 × 50,294.23
  4. Step 4: Simplify right side
    139,060.44x = 10,484,681,631.95
  5. Step 5: Solve for x
    x = 10,484,681,631.95/139,060.44
  6. Step 6: Final answer
    x = 75,396.58

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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.