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Finding the Fourth Proportional to 143,566.97, 215,333.97 and 38,394.14

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Solution

The fourth proportional to 143,566.97, 215,333.97 and 38,394.14 is: 57,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,566.97 : 215,333.97 = 38,394.14 : x
  2. Step 2: Convert to fraction form
    143,566.97/215,333.97 = 38,394.14/x
  3. Step 3: Cross multiply
    143,566.97x = 215,333.97 × 38,394.14
  4. Step 4: Simplify right side
    143,566.97x = 8,267,561,514.27
  5. Step 5: Solve for x
    x = 8,267,561,514.27/143,566.97
  6. Step 6: Final answer
    x = 57,586.80

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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.