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Finding the Fourth Proportional to 111,598.87, 167,355.46 and 47,516.38

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Solution

The fourth proportional to 111,598.87, 167,355.46 and 47,516.38 is: 71,256.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,598.87 : 167,355.46 = 47,516.38 : x
  2. Step 2: Convert to fraction form
    111,598.87/167,355.46 = 47,516.38/x
  3. Step 3: Cross multiply
    111,598.87x = 167,355.46 × 47,516.38
  4. Step 4: Simplify right side
    111,598.87x = 7,952,125,632.43
  5. Step 5: Solve for x
    x = 7,952,125,632.43/111,598.87
  6. Step 6: Final answer
    x = 71,256.33

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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.