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Finding the Fourth Proportional to 468,764.85, 703,147.64 and 113,779.22

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Solution

The fourth proportional to 468,764.85, 703,147.64 and 113,779.22 is: 170,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,764.85 : 703,147.64 = 113,779.22 : x
  2. Step 2: Convert to fraction form
    468,764.85/703,147.64 = 113,779.22/x
  3. Step 3: Cross multiply
    468,764.85x = 703,147.64 × 113,779.22
  4. Step 4: Simplify right side
    468,764.85x = 80,003,585,939.41
  5. Step 5: Solve for x
    x = 80,003,585,939.41/468,764.85
  6. Step 6: Final answer
    x = 170,668.91

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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.