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Finding the Fourth Proportional to 166,891.60, 250,409.40 and 96,830.80

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Solution

The fourth proportional to 166,891.60, 250,409.40 and 96,830.80 is: 145,287.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,891.60 : 250,409.40 = 96,830.80 : x
  2. Step 2: Convert to fraction form
    166,891.60/250,409.40 = 96,830.80/x
  3. Step 3: Cross multiply
    166,891.60x = 250,409.40 × 96,830.80
  4. Step 4: Simplify right side
    166,891.60x = 24,247,342,529.52
  5. Step 5: Solve for x
    x = 24,247,342,529.52/166,891.60
  6. Step 6: Final answer
    x = 145,287.97

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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.