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Finding the Fourth Proportional to 171,928.45, 257,400.60 and 152,245.45

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Solution

The fourth proportional to 171,928.45, 257,400.60 and 152,245.45 is: 227,932.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,928.45 : 257,400.60 = 152,245.45 : x
  2. Step 2: Convert to fraction form
    171,928.45/257,400.60 = 152,245.45/x
  3. Step 3: Cross multiply
    171,928.45x = 257,400.60 × 152,245.45
  4. Step 4: Simplify right side
    171,928.45x = 39,188,070,177.27
  5. Step 5: Solve for x
    x = 39,188,070,177.27/171,928.45
  6. Step 6: Final answer
    x = 227,932.43

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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.