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Finding the Fourth Proportional to 362,688.36, 544,033.77 and 126,033.09

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Solution

The fourth proportional to 362,688.36, 544,033.77 and 126,033.09 is: 189,050.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,688.36 : 544,033.77 = 126,033.09 : x
  2. Step 2: Convert to fraction form
    362,688.36/544,033.77 = 126,033.09/x
  3. Step 3: Cross multiply
    362,688.36x = 544,033.77 × 126,033.09
  4. Step 4: Simplify right side
    362,688.36x = 68,566,257,097.45
  5. Step 5: Solve for x
    x = 68,566,257,097.45/362,688.36
  6. Step 6: Final answer
    x = 189,050.06

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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.