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Finding the Fourth Proportional to 92,735.75, 127,974.67 and 51,899.92

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Solution

The fourth proportional to 92,735.75, 127,974.67 and 51,899.92 is: 71,621.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,735.75 : 127,974.67 = 51,899.92 : x
  2. Step 2: Convert to fraction form
    92,735.75/127,974.67 = 51,899.92/x
  3. Step 3: Cross multiply
    92,735.75x = 127,974.67 × 51,899.92
  4. Step 4: Simplify right side
    92,735.75x = 6,641,874,685.34
  5. Step 5: Solve for x
    x = 6,641,874,685.34/92,735.75
  6. Step 6: Final answer
    x = 71,621.51

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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.