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Finding the Fourth Proportional to 235,284.88, 324,692.38 and 127,855.24

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Solution

The fourth proportional to 235,284.88, 324,692.38 and 127,855.24 is: 176,439.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,284.88 : 324,692.38 = 127,855.24 : x
  2. Step 2: Convert to fraction form
    235,284.88/324,692.38 = 127,855.24/x
  3. Step 3: Cross multiply
    235,284.88x = 324,692.38 × 127,855.24
  4. Step 4: Simplify right side
    235,284.88x = 41,513,622,171.07
  5. Step 5: Solve for x
    x = 41,513,622,171.07/235,284.88
  6. Step 6: Final answer
    x = 176,439.82

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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.