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Finding the Fourth Proportional to 171,104.20, 257,093.70 and 151,858.60

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Solution

The fourth proportional to 171,104.20, 257,093.70 and 151,858.60 is: 228,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,104.20 : 257,093.70 = 151,858.60 : x
  2. Step 2: Convert to fraction form
    171,104.20/257,093.70 = 151,858.60/x
  3. Step 3: Cross multiply
    171,104.20x = 257,093.70 × 151,858.60
  4. Step 4: Simplify right side
    171,104.20x = 39,041,889,350.82
  5. Step 5: Solve for x
    x = 39,041,889,350.82/171,104.20
  6. Step 6: Final answer
    x = 228,176.10

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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.