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Finding the Fourth Proportional to 253,867, 350,336.46 and 140,697.04

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Solution

The fourth proportional to 253,867, 350,336.46 and 140,697.04 is: 194,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,867 : 350,336.46 = 140,697.04 : x
  2. Step 2: Convert to fraction form
    253,867/350,336.46 = 140,697.04/x
  3. Step 3: Cross multiply
    253,867x = 350,336.46 × 140,697.04
  4. Step 4: Simplify right side
    253,867x = 49,291,302,926.08
  5. Step 5: Solve for x
    x = 49,291,302,926.08/253,867
  6. Step 6: Final answer
    x = 194,161.92

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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.