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Finding the Fourth Proportional to 111,033.18, 166,662.36 and 98,463.60

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Solution

The fourth proportional to 111,033.18, 166,662.36 and 98,463.60 is: 147,795.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,033.18 : 166,662.36 = 98,463.60 : x
  2. Step 2: Convert to fraction form
    111,033.18/166,662.36 = 98,463.60/x
  3. Step 3: Cross multiply
    111,033.18x = 166,662.36 × 98,463.60
  4. Step 4: Simplify right side
    111,033.18x = 16,410,175,950.10
  5. Step 5: Solve for x
    x = 16,410,175,950.10/111,033.18
  6. Step 6: Final answer
    x = 147,795.24

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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.