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Finding the Fourth Proportional to 206,273.01, 309,409.80 and 56,514.60

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Solution

The fourth proportional to 206,273.01, 309,409.80 and 56,514.60 is: 84,771.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,273.01 : 309,409.80 = 56,514.60 : x
  2. Step 2: Convert to fraction form
    206,273.01/309,409.80 = 56,514.60/x
  3. Step 3: Cross multiply
    206,273.01x = 309,409.80 × 56,514.60
  4. Step 4: Simplify right side
    206,273.01x = 17,486,171,083.08
  5. Step 5: Solve for x
    x = 17,486,171,083.08/206,273.01
  6. Step 6: Final answer
    x = 84,771.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.