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Finding the Fourth Proportional to 227,075.25, 313,363.89 and 126,473.25

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Solution

The fourth proportional to 227,075.25, 313,363.89 and 126,473.25 is: 174,533.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,075.25 : 313,363.89 = 126,473.25 : x
  2. Step 2: Convert to fraction form
    227,075.25/313,363.89 = 126,473.25/x
  3. Step 3: Cross multiply
    227,075.25x = 313,363.89 × 126,473.25
  4. Step 4: Simplify right side
    227,075.25x = 39,632,149,600.94
  5. Step 5: Solve for x
    x = 39,632,149,600.94/227,075.25
  6. Step 6: Final answer
    x = 174,533.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.