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Finding the Fourth Proportional to 143,208.60, 200,229.60 and 143,208.60

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Solution

The fourth proportional to 143,208.60, 200,229.60 and 143,208.60 is: 200,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,208.60 : 200,229.60 = 143,208.60 : x
  2. Step 2: Convert to fraction form
    143,208.60/200,229.60 = 143,208.60/x
  3. Step 3: Cross multiply
    143,208.60x = 200,229.60 × 143,208.60
  4. Step 4: Simplify right side
    143,208.60x = 28,674,600,694.56
  5. Step 5: Solve for x
    x = 28,674,600,694.56/143,208.60
  6. Step 6: Final answer
    x = 200,229.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.