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Finding the Fourth Proportional to 256,606.89, 354,111.19 and 141,882.49

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Solution

The fourth proportional to 256,606.89, 354,111.19 and 141,882.49 is: 195,794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,606.89 : 354,111.19 = 141,882.49 : x
  2. Step 2: Convert to fraction form
    256,606.89/354,111.19 = 141,882.49/x
  3. Step 3: Cross multiply
    256,606.89x = 354,111.19 × 141,882.49
  4. Step 4: Simplify right side
    256,606.89x = 50,242,175,958.21
  5. Step 5: Solve for x
    x = 50,242,175,958.21/256,606.89
  6. Step 6: Final answer
    x = 195,794.34

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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.