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Finding the Fourth Proportional to 101,704.40, 152,556.60 and 68,526.80

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Solution

The fourth proportional to 101,704.40, 152,556.60 and 68,526.80 is: 102,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,704.40 : 152,556.60 = 68,526.80 : x
  2. Step 2: Convert to fraction form
    101,704.40/152,556.60 = 68,526.80/x
  3. Step 3: Cross multiply
    101,704.40x = 152,556.60 × 68,526.80
  4. Step 4: Simplify right side
    101,704.40x = 10,454,215,616.88
  5. Step 5: Solve for x
    x = 10,454,215,616.88/101,704.40
  6. Step 6: Final answer
    x = 102,790.20

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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.