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Finding the Fourth Proportional to 264,112.95, 396,127.16 and 84,175.00

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Solution

The fourth proportional to 264,112.95, 396,127.16 and 84,175.00 is: 126,249.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,112.95 : 396,127.16 = 84,175.00 : x
  2. Step 2: Convert to fraction form
    264,112.95/396,127.16 = 84,175.00/x
  3. Step 3: Cross multiply
    264,112.95x = 396,127.16 × 84,175.00
  4. Step 4: Simplify right side
    264,112.95x = 33,344,002,597.46
  5. Step 5: Solve for x
    x = 33,344,002,597.46/264,112.95
  6. Step 6: Final answer
    x = 126,249.02

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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.