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Finding the Fourth Proportional to 275,953.56, 380,819.34 and 167,056.46

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Solution

The fourth proportional to 275,953.56, 380,819.34 and 167,056.46 is: 230,539.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,953.56 : 380,819.34 = 167,056.46 : x
  2. Step 2: Convert to fraction form
    275,953.56/380,819.34 = 167,056.46/x
  3. Step 3: Cross multiply
    275,953.56x = 380,819.34 × 167,056.46
  4. Step 4: Simplify right side
    275,953.56x = 63,618,328,935.84
  5. Step 5: Solve for x
    x = 63,618,328,935.84/275,953.56
  6. Step 6: Final answer
    x = 230,539.98

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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.