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Finding the Fourth Proportional to 111,204.45, 166,828.47 and 36,304.49

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Solution

The fourth proportional to 111,204.45, 166,828.47 and 36,304.49 is: 54,463.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,204.45 : 166,828.47 = 36,304.49 : x
  2. Step 2: Convert to fraction form
    111,204.45/166,828.47 = 36,304.49/x
  3. Step 3: Cross multiply
    111,204.45x = 166,828.47 × 36,304.49
  4. Step 4: Simplify right side
    111,204.45x = 6,056,621,686.69
  5. Step 5: Solve for x
    x = 6,056,621,686.69/111,204.45
  6. Step 6: Final answer
    x = 54,463.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.