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Finding the Fourth Proportional to 266,054.73, 367,163.31 and 145,203.76

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Solution

The fourth proportional to 266,054.73, 367,163.31 and 145,203.76 is: 200,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,054.73 : 367,163.31 = 145,203.76 : x
  2. Step 2: Convert to fraction form
    266,054.73/367,163.31 = 145,203.76/x
  3. Step 3: Cross multiply
    266,054.73x = 367,163.31 × 145,203.76
  4. Step 4: Simplify right side
    266,054.73x = 53,313,493,146.05
  5. Step 5: Solve for x
    x = 53,313,493,146.05/266,054.73
  6. Step 6: Final answer
    x = 200,385.44

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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.