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Finding the Fourth Proportional to 256,600.44, 354,094.32 and 141,872.43

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Solution

The fourth proportional to 256,600.44, 354,094.32 and 141,872.43 is: 195,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,600.44 : 354,094.32 = 141,872.43 : x
  2. Step 2: Convert to fraction form
    256,600.44/354,094.32 = 141,872.43/x
  3. Step 3: Cross multiply
    256,600.44x = 354,094.32 × 141,872.43
  4. Step 4: Simplify right side
    256,600.44x = 50,236,221,627.60
  5. Step 5: Solve for x
    x = 50,236,221,627.60/256,600.44
  6. Step 6: Final answer
    x = 195,776.05

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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.