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Finding the Fourth Proportional to 253,682.08, 350,080.50 and 140,504.80

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Solution

The fourth proportional to 253,682.08, 350,080.50 and 140,504.80 is: 193,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,682.08 : 350,080.50 = 140,504.80 : x
  2. Step 2: Convert to fraction form
    253,682.08/350,080.50 = 140,504.80/x
  3. Step 3: Cross multiply
    253,682.08x = 350,080.50 × 140,504.80
  4. Step 4: Simplify right side
    253,682.08x = 49,187,990,636.40
  5. Step 5: Solve for x
    x = 49,187,990,636.40/253,682.08
  6. Step 6: Final answer
    x = 193,896.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.