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Finding the Fourth Proportional to 247,146.22, 341,062.31 and 133,968.97

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Solution

The fourth proportional to 247,146.22, 341,062.31 and 133,968.97 is: 184,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,146.22 : 341,062.31 = 133,968.97 : x
  2. Step 2: Convert to fraction form
    247,146.22/341,062.31 = 133,968.97/x
  3. Step 3: Cross multiply
    247,146.22x = 341,062.31 × 133,968.97
  4. Step 4: Simplify right side
    247,146.22x = 45,691,767,137.77
  5. Step 5: Solve for x
    x = 45,691,767,137.77/247,146.22
  6. Step 6: Final answer
    x = 184,877.47

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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.