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Finding the Fourth Proportional to 266,059.53, 367,163.25 and 145,203.37

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Solution

The fourth proportional to 266,059.53, 367,163.25 and 145,203.37 is: 200,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,059.53 : 367,163.25 = 145,203.37 : x
  2. Step 2: Convert to fraction form
    266,059.53/367,163.25 = 145,203.37/x
  3. Step 3: Cross multiply
    266,059.53x = 367,163.25 × 145,203.37
  4. Step 4: Simplify right side
    266,059.53x = 53,313,340,514.14
  5. Step 5: Solve for x
    x = 53,313,340,514.14/266,059.53
  6. Step 6: Final answer
    x = 200,381.25

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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.