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Finding the Fourth Proportional to 92,678, 127,894.92 and 50,235.44

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Solution

The fourth proportional to 92,678, 127,894.92 and 50,235.44 is: 69,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,678 : 127,894.92 = 50,235.44 : x
  2. Step 2: Convert to fraction form
    92,678/127,894.92 = 50,235.44/x
  3. Step 3: Cross multiply
    92,678x = 127,894.92 × 50,235.44
  4. Step 4: Simplify right side
    92,678x = 6,424,857,579.96
  5. Step 5: Solve for x
    x = 6,424,857,579.96/92,678
  6. Step 6: Final answer
    x = 69,324.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.