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Finding the Fourth Proportional to 168,598.85, 253,040.16 and 84,333.74

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Solution

The fourth proportional to 168,598.85, 253,040.16 and 84,333.74 is: 126,571.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,598.85 : 253,040.16 = 84,333.74 : x
  2. Step 2: Convert to fraction form
    168,598.85/253,040.16 = 84,333.74/x
  3. Step 3: Cross multiply
    168,598.85x = 253,040.16 × 84,333.74
  4. Step 4: Simplify right side
    168,598.85x = 21,339,823,063.00
  5. Step 5: Solve for x
    x = 21,339,823,063.00/168,598.85
  6. Step 6: Final answer
    x = 126,571.58

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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.