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Finding the Fourth Proportional to 531,392.88, 797,086.33 and 132,033.48

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Solution

The fourth proportional to 531,392.88, 797,086.33 and 132,033.48 is: 198,049.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,392.88 : 797,086.33 = 132,033.48 : x
  2. Step 2: Convert to fraction form
    531,392.88/797,086.33 = 132,033.48/x
  3. Step 3: Cross multiply
    531,392.88x = 797,086.33 × 132,033.48
  4. Step 4: Simplify right side
    531,392.88x = 105,242,082,010.33
  5. Step 5: Solve for x
    x = 105,242,082,010.33/531,392.88
  6. Step 6: Final answer
    x = 198,049.48

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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.