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Finding the Fourth Proportional to 111,059.10, 166,540.05 and 44,477.10

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Solution

The fourth proportional to 111,059.10, 166,540.05 and 44,477.10 is: 66,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,059.10 : 166,540.05 = 44,477.10 : x
  2. Step 2: Convert to fraction form
    111,059.10/166,540.05 = 44,477.10/x
  3. Step 3: Cross multiply
    111,059.10x = 166,540.05 × 44,477.10
  4. Step 4: Simplify right side
    111,059.10x = 7,407,218,457.86
  5. Step 5: Solve for x
    x = 7,407,218,457.86/111,059.10
  6. Step 6: Final answer
    x = 66,696.19

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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.