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Finding the Fourth Proportional to 223,295.04, 308,147.04 and 122,692.96

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Solution

The fourth proportional to 223,295.04, 308,147.04 and 122,692.96 is: 169,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,295.04 : 308,147.04 = 122,692.96 : x
  2. Step 2: Convert to fraction form
    223,295.04/308,147.04 = 122,692.96/x
  3. Step 3: Cross multiply
    223,295.04x = 308,147.04 × 122,692.96
  4. Step 4: Simplify right side
    223,295.04x = 37,807,472,452.84
  5. Step 5: Solve for x
    x = 37,807,472,452.84/223,295.04
  6. Step 6: Final answer
    x = 169,316.22

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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.