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Finding the Fourth Proportional to 111,598.62, 167,355.09 and 47,516.15

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Solution

The fourth proportional to 111,598.62, 167,355.09 and 47,516.15 is: 71,255.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,598.62 : 167,355.09 = 47,516.15 : x
  2. Step 2: Convert to fraction form
    111,598.62/167,355.09 = 47,516.15/x
  3. Step 3: Cross multiply
    111,598.62x = 167,355.09 × 47,516.15
  4. Step 4: Simplify right side
    111,598.62x = 7,952,068,722.93
  5. Step 5: Solve for x
    x = 7,952,068,722.93/111,598.62
  6. Step 6: Final answer
    x = 71,255.98

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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.