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Finding the Fourth Proportional to 178,908.31, 246,895.38 and 97,236.56

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Solution

The fourth proportional to 178,908.31, 246,895.38 and 97,236.56 is: 134,187.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,908.31 : 246,895.38 = 97,236.56 : x
  2. Step 2: Convert to fraction form
    178,908.31/246,895.38 = 97,236.56/x
  3. Step 3: Cross multiply
    178,908.31x = 246,895.38 × 97,236.56
  4. Step 4: Simplify right side
    178,908.31x = 24,007,257,431.09
  5. Step 5: Solve for x
    x = 24,007,257,431.09/178,908.31
  6. Step 6: Final answer
    x = 134,187.49

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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.