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Finding the Fourth Proportional to 178,362.84, 246,049.74 and 135,847.56

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Solution

The fourth proportional to 178,362.84, 246,049.74 and 135,847.56 is: 187,400.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,362.84 : 246,049.74 = 135,847.56 : x
  2. Step 2: Convert to fraction form
    178,362.84/246,049.74 = 135,847.56/x
  3. Step 3: Cross multiply
    178,362.84x = 246,049.74 × 135,847.56
  4. Step 4: Simplify right side
    178,362.84x = 33,425,256,817.63
  5. Step 5: Solve for x
    x = 33,425,256,817.63/178,362.84
  6. Step 6: Final answer
    x = 187,400.34

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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.