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Finding the Fourth Proportional to 165,362, 248,043 and 48,626

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Solution

The fourth proportional to 165,362, 248,043 and 48,626 is: 72,939

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,362 : 248,043 = 48,626 : x
  2. Step 2: Convert to fraction form
    165,362/248,043 = 48,626/x
  3. Step 3: Cross multiply
    165,362x = 248,043 × 48,626
  4. Step 4: Simplify right side
    165,362x = 12,061,338,918
  5. Step 5: Solve for x
    x = 12,061,338,918/165,362
  6. Step 6: Final answer
    x = 72,939

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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.