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Finding the Fourth Proportional to 79,797.96, 119,668.95 and 43,767.18

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Solution

The fourth proportional to 79,797.96, 119,668.95 and 43,767.18 is: 65,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,797.96 : 119,668.95 = 43,767.18 : x
  2. Step 2: Convert to fraction form
    79,797.96/119,668.95 = 43,767.18/x
  3. Step 3: Cross multiply
    79,797.96x = 119,668.95 × 43,767.18
  4. Step 4: Simplify right side
    79,797.96x = 5,237,572,475.06
  5. Step 5: Solve for x
    x = 5,237,572,475.06/79,797.96
  6. Step 6: Final answer
    x = 65,635.42

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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.