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Finding the Fourth Proportional to 165,356, 248,034 and 48,620

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Solution

The fourth proportional to 165,356, 248,034 and 48,620 is: 72,930

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,356 : 248,034 = 48,620 : x
  2. Step 2: Convert to fraction form
    165,356/248,034 = 48,620/x
  3. Step 3: Cross multiply
    165,356x = 248,034 × 48,620
  4. Step 4: Simplify right side
    165,356x = 12,059,413,080
  5. Step 5: Solve for x
    x = 12,059,413,080/165,356
  6. Step 6: Final answer
    x = 72,930

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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.