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Finding the Fourth Proportional to 111,694.55, 167,541.62 and 48,506.45

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Solution

The fourth proportional to 111,694.55, 167,541.62 and 48,506.45 is: 72,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,694.55 : 167,541.62 = 48,506.45 : x
  2. Step 2: Convert to fraction form
    111,694.55/167,541.62 = 48,506.45/x
  3. Step 3: Cross multiply
    111,694.55x = 167,541.62 × 48,506.45
  4. Step 4: Simplify right side
    111,694.55x = 8,126,848,133.21
  5. Step 5: Solve for x
    x = 8,126,848,133.21/111,694.55
  6. Step 6: Final answer
    x = 72,759.58

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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.