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Finding the Fourth Proportional to 256,570.98, 354,057.49 and 141,842.33

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Solution

The fourth proportional to 256,570.98, 354,057.49 and 141,842.33 is: 195,736.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,570.98 : 354,057.49 = 141,842.33 : x
  2. Step 2: Convert to fraction form
    256,570.98/354,057.49 = 141,842.33/x
  3. Step 3: Cross multiply
    256,570.98x = 354,057.49 × 141,842.33
  4. Step 4: Simplify right side
    256,570.98x = 50,220,339,335.55
  5. Step 5: Solve for x
    x = 50,220,339,335.55/256,570.98
  6. Step 6: Final answer
    x = 195,736.63

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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.