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Finding the Fourth Proportional to 435,131.52, 652,668.12 and 119,562

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Solution

The fourth proportional to 435,131.52, 652,668.12 and 119,562 is: 179,334.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,131.52 : 652,668.12 = 119,562 : x
  2. Step 2: Convert to fraction form
    435,131.52/652,668.12 = 119,562/x
  3. Step 3: Cross multiply
    435,131.52x = 652,668.12 × 119,562
  4. Step 4: Simplify right side
    435,131.52x = 78,034,305,763.44
  5. Step 5: Solve for x
    x = 78,034,305,763.44/435,131.52
  6. Step 6: Final answer
    x = 179,334.99

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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.