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Finding the Fourth Proportional to 166,103.70, 248,858.55 and 101,069.70

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Solution

The fourth proportional to 166,103.70, 248,858.55 and 101,069.70 is: 151,423.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,103.70 : 248,858.55 = 101,069.70 : x
  2. Step 2: Convert to fraction form
    166,103.70/248,858.55 = 101,069.70/x
  3. Step 3: Cross multiply
    166,103.70x = 248,858.55 × 101,069.70
  4. Step 4: Simplify right side
    166,103.70x = 25,152,058,990.94
  5. Step 5: Solve for x
    x = 25,152,058,990.94/166,103.70
  6. Step 6: Final answer
    x = 151,423.83

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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.