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Finding the Fourth Proportional to 256,606.22, 354,102.29 and 141,877.97

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Solution

The fourth proportional to 256,606.22, 354,102.29 and 141,877.97 is: 195,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,606.22 : 354,102.29 = 141,877.97 : x
  2. Step 2: Convert to fraction form
    256,606.22/354,102.29 = 141,877.97/x
  3. Step 3: Cross multiply
    256,606.22x = 354,102.29 × 141,877.97
  4. Step 4: Simplify right side
    256,606.22x = 50,239,314,253.42
  5. Step 5: Solve for x
    x = 50,239,314,253.42/256,606.22
  6. Step 6: Final answer
    x = 195,783.69

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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.