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Finding the Fourth Proportional to 268,692.80, 370,544.34 and 166,734.80

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Solution

The fourth proportional to 268,692.80, 370,544.34 and 166,734.80 is: 229,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,692.80 : 370,544.34 = 166,734.80 : x
  2. Step 2: Convert to fraction form
    268,692.80/370,544.34 = 166,734.80/x
  3. Step 3: Cross multiply
    268,692.80x = 370,544.34 × 166,734.80
  4. Step 4: Simplify right side
    268,692.80x = 61,782,636,421.03
  5. Step 5: Solve for x
    x = 61,782,636,421.03/268,692.80
  6. Step 6: Final answer
    x = 229,937.82

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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.