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Finding the Fourth Proportional to 335,965.20, 504,142.20 and 125,624.40

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Solution

The fourth proportional to 335,965.20, 504,142.20 and 125,624.40 is: 188,509.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,965.20 : 504,142.20 = 125,624.40 : x
  2. Step 2: Convert to fraction form
    335,965.20/504,142.20 = 125,624.40/x
  3. Step 3: Cross multiply
    335,965.20x = 504,142.20 × 125,624.40
  4. Step 4: Simplify right side
    335,965.20x = 63,332,561,389.68
  5. Step 5: Solve for x
    x = 63,332,561,389.68/335,965.20
  6. Step 6: Final answer
    x = 188,509.29

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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.