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Finding the Fourth Proportional to 130,094.70, 194,850.45 and 106,766.70

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Solution

The fourth proportional to 130,094.70, 194,850.45 and 106,766.70 is: 159,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,094.70 : 194,850.45 = 106,766.70 : x
  2. Step 2: Convert to fraction form
    130,094.70/194,850.45 = 106,766.70/x
  3. Step 3: Cross multiply
    130,094.70x = 194,850.45 × 106,766.70
  4. Step 4: Simplify right side
    130,094.70x = 20,803,539,540.02
  5. Step 5: Solve for x
    x = 20,803,539,540.02/130,094.70
  6. Step 6: Final answer
    x = 159,910.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.