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Finding the Fourth Proportional to 196,631, 294,947.62 and 48,887

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Solution

The fourth proportional to 196,631, 294,947.62 and 48,887 is: 73,330.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,631 : 294,947.62 = 48,887 : x
  2. Step 2: Convert to fraction form
    196,631/294,947.62 = 48,887/x
  3. Step 3: Cross multiply
    196,631x = 294,947.62 × 48,887
  4. Step 4: Simplify right side
    196,631x = 14,419,104,298.94
  5. Step 5: Solve for x
    x = 14,419,104,298.94/196,631
  6. Step 6: Final answer
    x = 73,330.78

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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.