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Finding the Fourth Proportional to 92,101.58, 126,926.46 and 80,696.78

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Solution

The fourth proportional to 92,101.58, 126,926.46 and 80,696.78 is: 111,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,101.58 : 126,926.46 = 80,696.78 : x
  2. Step 2: Convert to fraction form
    92,101.58/126,926.46 = 80,696.78/x
  3. Step 3: Cross multiply
    92,101.58x = 126,926.46 × 80,696.78
  4. Step 4: Simplify right side
    92,101.58x = 10,242,556,618.80
  5. Step 5: Solve for x
    x = 10,242,556,618.80/92,101.58
  6. Step 6: Final answer
    x = 111,209.35

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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.