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Finding the Fourth Proportional to 253,843.02, 350,314.74 and 140,658.48

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Solution

The fourth proportional to 253,843.02, 350,314.74 and 140,658.48 is: 194,115.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,843.02 : 350,314.74 = 140,658.48 : x
  2. Step 2: Convert to fraction form
    253,843.02/350,314.74 = 140,658.48/x
  3. Step 3: Cross multiply
    253,843.02x = 350,314.74 × 140,658.48
  4. Step 4: Simplify right side
    253,843.02x = 49,274,738,850.00
  5. Step 5: Solve for x
    x = 49,274,738,850.00/253,843.02
  6. Step 6: Final answer
    x = 194,115.00

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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.