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Finding the Fourth Proportional to 350,668.80, 525,991.68 and 140,250.24

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Solution

The fourth proportional to 350,668.80, 525,991.68 and 140,250.24 is: 210,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,668.80 : 525,991.68 = 140,250.24 : x
  2. Step 2: Convert to fraction form
    350,668.80/525,991.68 = 140,250.24/x
  3. Step 3: Cross multiply
    350,668.80x = 525,991.68 × 140,250.24
  4. Step 4: Simplify right side
    350,668.80x = 73,770,459,358.00
  5. Step 5: Solve for x
    x = 73,770,459,358.00/350,668.80
  6. Step 6: Final answer
    x = 210,370.75

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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.