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Finding the Fourth Proportional to 251,546.70, 347,183.70 and 144,188.60

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Solution

The fourth proportional to 251,546.70, 347,183.70 and 144,188.60 is: 199,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,546.70 : 347,183.70 = 144,188.60 : x
  2. Step 2: Convert to fraction form
    251,546.70/347,183.70 = 144,188.60/x
  3. Step 3: Cross multiply
    251,546.70x = 347,183.70 × 144,188.60
  4. Step 4: Simplify right side
    251,546.70x = 50,059,931,645.82
  5. Step 5: Solve for x
    x = 50,059,931,645.82/251,546.70
  6. Step 6: Final answer
    x = 199,008.50

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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.