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Finding the Fourth Proportional to 236,900, 355,350 and 61,796

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Solution

The fourth proportional to 236,900, 355,350 and 61,796 is: 92,694

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,900 : 355,350 = 61,796 : x
  2. Step 2: Convert to fraction form
    236,900/355,350 = 61,796/x
  3. Step 3: Cross multiply
    236,900x = 355,350 × 61,796
  4. Step 4: Simplify right side
    236,900x = 21,959,208,600
  5. Step 5: Solve for x
    x = 21,959,208,600/236,900
  6. Step 6: Final answer
    x = 92,694

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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.