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Finding the Fourth Proportional to 79,710.81, 119,566.04 and 54,674.97

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Solution

The fourth proportional to 79,710.81, 119,566.04 and 54,674.97 is: 82,012.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,710.81 : 119,566.04 = 54,674.97 : x
  2. Step 2: Convert to fraction form
    79,710.81/119,566.04 = 54,674.97/x
  3. Step 3: Cross multiply
    79,710.81x = 119,566.04 × 54,674.97
  4. Step 4: Simplify right side
    79,710.81x = 6,537,269,594.45
  5. Step 5: Solve for x
    x = 6,537,269,594.45/79,710.81
  6. Step 6: Final answer
    x = 82,012.34

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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.