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Finding the Fourth Proportional to 111,098.49, 166,643.99 and 44,520.74

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Solution

The fourth proportional to 111,098.49, 166,643.99 and 44,520.74 is: 66,779.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,098.49 : 166,643.99 = 44,520.74 : x
  2. Step 2: Convert to fraction form
    111,098.49/166,643.99 = 44,520.74/x
  3. Step 3: Cross multiply
    111,098.49x = 166,643.99 × 44,520.74
  4. Step 4: Simplify right side
    111,098.49x = 7,419,113,528.75
  5. Step 5: Solve for x
    x = 7,419,113,528.75/111,098.49
  6. Step 6: Final answer
    x = 66,779.61

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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.