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Finding the Fourth Proportional to 266,432.87, 367,676.79 and 145,575.02

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Solution

The fourth proportional to 266,432.87, 367,676.79 and 145,575.02 is: 200,893.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,432.87 : 367,676.79 = 145,575.02 : x
  2. Step 2: Convert to fraction form
    266,432.87/367,676.79 = 145,575.02/x
  3. Step 3: Cross multiply
    266,432.87x = 367,676.79 × 145,575.02
  4. Step 4: Simplify right side
    266,432.87x = 53,524,557,659.36
  5. Step 5: Solve for x
    x = 53,524,557,659.36/266,432.87
  6. Step 6: Final answer
    x = 200,893.22

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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.