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Finding the Fourth Proportional to 266,462.36, 367,713.61 and 145,600.86

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Solution

The fourth proportional to 266,462.36, 367,713.61 and 145,600.86 is: 200,926.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,462.36 : 367,713.61 = 145,600.86 : x
  2. Step 2: Convert to fraction form
    266,462.36/367,713.61 = 145,600.86/x
  3. Step 3: Cross multiply
    266,462.36x = 367,713.61 × 145,600.86
  4. Step 4: Simplify right side
    266,462.36x = 53,539,419,410.63
  5. Step 5: Solve for x
    x = 53,539,419,410.63/266,462.36
  6. Step 6: Final answer
    x = 200,926.77

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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.