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Finding the Fourth Proportional to 208,466.69, 312,695.72 and 50,695.97

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Solution

The fourth proportional to 208,466.69, 312,695.72 and 50,695.97 is: 76,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,466.69 : 312,695.72 = 50,695.97 : x
  2. Step 2: Convert to fraction form
    208,466.69/312,695.72 = 50,695.97/x
  3. Step 3: Cross multiply
    208,466.69x = 312,695.72 × 50,695.97
  4. Step 4: Simplify right side
    208,466.69x = 15,852,412,586.77
  5. Step 5: Solve for x
    x = 15,852,412,586.77/208,466.69
  6. Step 6: Final answer
    x = 76,042.90

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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.