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Finding the Fourth Proportional to 250,093.43, 345,096.75 and 142,657.05

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Solution

The fourth proportional to 250,093.43, 345,096.75 and 142,657.05 is: 196,848.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,093.43 : 345,096.75 = 142,657.05 : x
  2. Step 2: Convert to fraction form
    250,093.43/345,096.75 = 142,657.05/x
  3. Step 3: Cross multiply
    250,093.43x = 345,096.75 × 142,657.05
  4. Step 4: Simplify right side
    250,093.43x = 49,230,483,606.30
  5. Step 5: Solve for x
    x = 49,230,483,606.30/250,093.43
  6. Step 6: Final answer
    x = 196,848.37

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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.