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Finding the Fourth Proportional to 222,075.97, 306,472.71 and 126,567.25

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Solution

The fourth proportional to 222,075.97, 306,472.71 and 126,567.25 is: 174,667.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,075.97 : 306,472.71 = 126,567.25 : x
  2. Step 2: Convert to fraction form
    222,075.97/306,472.71 = 126,567.25/x
  3. Step 3: Cross multiply
    222,075.97x = 306,472.71 × 126,567.25
  4. Step 4: Simplify right side
    222,075.97x = 38,789,408,104.75
  5. Step 5: Solve for x
    x = 38,789,408,104.75/222,075.97
  6. Step 6: Final answer
    x = 174,667.29

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1.5x scale

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.