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Finding the Fourth Proportional to 92,091.39, 127,077.21 and 51,819.09

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Solution

The fourth proportional to 92,091.39, 127,077.21 and 51,819.09 is: 71,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,091.39 : 127,077.21 = 51,819.09 : x
  2. Step 2: Convert to fraction form
    92,091.39/127,077.21 = 51,819.09/x
  3. Step 3: Cross multiply
    92,091.39x = 127,077.21 × 51,819.09
  4. Step 4: Simplify right side
    92,091.39x = 6,585,025,381.94
  5. Step 5: Solve for x
    x = 6,585,025,381.94/92,091.39
  6. Step 6: Final answer
    x = 71,505.33

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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.