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Finding the Fourth Proportional to 92,201.76, 126,970.74 and 80,096.76

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Solution

The fourth proportional to 92,201.76, 126,970.74 and 80,096.76 is: 110,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,201.76 : 126,970.74 = 80,096.76 : x
  2. Step 2: Convert to fraction form
    92,201.76/126,970.74 = 80,096.76/x
  3. Step 3: Cross multiply
    92,201.76x = 126,970.74 × 80,096.76
  4. Step 4: Simplify right side
    92,201.76x = 10,169,944,888.80
  5. Step 5: Solve for x
    x = 10,169,944,888.80/92,201.76
  6. Step 6: Final answer
    x = 110,300.98

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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.