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Finding the Fourth Proportional to 112,040, 168,000.60 and 33,143.30

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Solution

The fourth proportional to 112,040, 168,000.60 and 33,143.30 is: 49,697.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,040 : 168,000.60 = 33,143.30 : x
  2. Step 2: Convert to fraction form
    112,040/168,000.60 = 33,143.30/x
  3. Step 3: Cross multiply
    112,040x = 168,000.60 × 33,143.30
  4. Step 4: Simplify right side
    112,040x = 5,568,094,285.98
  5. Step 5: Solve for x
    x = 5,568,094,285.98/112,040
  6. Step 6: Final answer
    x = 49,697.38

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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.