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Finding the Fourth Proportional to 171,704.10, 257,556.15 and 152,677.20

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Solution

The fourth proportional to 171,704.10, 257,556.15 and 152,677.20 is: 229,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,704.10 : 257,556.15 = 152,677.20 : x
  2. Step 2: Convert to fraction form
    171,704.10/257,556.15 = 152,677.20/x
  3. Step 3: Cross multiply
    171,704.10x = 257,556.15 × 152,677.20
  4. Step 4: Simplify right side
    171,704.10x = 39,322,951,824.78
  5. Step 5: Solve for x
    x = 39,322,951,824.78/171,704.10
  6. Step 6: Final answer
    x = 229,015.80

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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.