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Finding the Fourth Proportional to 200,552.40, 300,828.60 and 169,059.60

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Solution

The fourth proportional to 200,552.40, 300,828.60 and 169,059.60 is: 253,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,552.40 : 300,828.60 = 169,059.60 : x
  2. Step 2: Convert to fraction form
    200,552.40/300,828.60 = 169,059.60/x
  3. Step 3: Cross multiply
    200,552.40x = 300,828.60 × 169,059.60
  4. Step 4: Simplify right side
    200,552.40x = 50,857,962,784.56
  5. Step 5: Solve for x
    x = 50,857,962,784.56/200,552.40
  6. Step 6: Final answer
    x = 253,589.40

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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.