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Finding the Fourth Proportional to 363,751.22, 545,626.94 and 111,033.15

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Solution

The fourth proportional to 363,751.22, 545,626.94 and 111,033.15 is: 166,549.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,751.22 : 545,626.94 = 111,033.15 : x
  2. Step 2: Convert to fraction form
    363,751.22/545,626.94 = 111,033.15/x
  3. Step 3: Cross multiply
    363,751.22x = 545,626.94 × 111,033.15
  4. Step 4: Simplify right side
    363,751.22x = 60,582,675,271.79
  5. Step 5: Solve for x
    x = 60,582,675,271.79/363,751.22
  6. Step 6: Final answer
    x = 166,549.75

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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.