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Finding the Fourth Proportional to 253,847.89, 350,310.06 and 140,670.64

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Solution

The fourth proportional to 253,847.89, 350,310.06 and 140,670.64 is: 194,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,847.89 : 350,310.06 = 140,670.64 : x
  2. Step 2: Convert to fraction form
    253,847.89/350,310.06 = 140,670.64/x
  3. Step 3: Cross multiply
    253,847.89x = 350,310.06 × 140,670.64
  4. Step 4: Simplify right side
    253,847.89x = 49,278,340,338.64
  5. Step 5: Solve for x
    x = 49,278,340,338.64/253,847.89
  6. Step 6: Final answer
    x = 194,125.47

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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.