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Finding the Fourth Proportional to 79,499.63, 119,266.98 and 44,012.72

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Solution

The fourth proportional to 79,499.63, 119,266.98 and 44,012.72 is: 66,028.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,499.63 : 119,266.98 = 44,012.72 : x
  2. Step 2: Convert to fraction form
    79,499.63/119,266.98 = 44,012.72/x
  3. Step 3: Cross multiply
    79,499.63x = 119,266.98 × 44,012.72
  4. Step 4: Simplify right side
    79,499.63x = 5,249,263,905.80
  5. Step 5: Solve for x
    x = 5,249,263,905.80/79,499.63
  6. Step 6: Final answer
    x = 66,028.79

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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.