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Finding the Fourth Proportional to 171,682.00, 256,478.69 and 111,218.28

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Solution

The fourth proportional to 171,682.00, 256,478.69 and 111,218.28 is: 166,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,682.00 : 256,478.69 = 111,218.28 : x
  2. Step 2: Convert to fraction form
    171,682.00/256,478.69 = 111,218.28/x
  3. Step 3: Cross multiply
    171,682.00x = 256,478.69 × 111,218.28
  4. Step 4: Simplify right side
    171,682.00x = 28,525,118,074.70
  5. Step 5: Solve for x
    x = 28,525,118,074.70/171,682.00
  6. Step 6: Final answer
    x = 166,150.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.