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Finding the Fourth Proportional to 223,868.84, 308,960.78 and 167,181.80

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Solution

The fourth proportional to 223,868.84, 308,960.78 and 167,181.80 is: 230,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,868.84 : 308,960.78 = 167,181.80 : x
  2. Step 2: Convert to fraction form
    223,868.84/308,960.78 = 167,181.80/x
  3. Step 3: Cross multiply
    223,868.84x = 308,960.78 × 167,181.80
  4. Step 4: Simplify right side
    223,868.84x = 51,652,619,329.80
  5. Step 5: Solve for x
    x = 51,652,619,329.80/223,868.84
  6. Step 6: Final answer
    x = 230,727.15

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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.