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Finding the Fourth Proportional to 251,809.77, 347,527.50 and 144,379.47

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Solution

The fourth proportional to 251,809.77, 347,527.50 and 144,379.47 is: 199,260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,809.77 : 347,527.50 = 144,379.47 : x
  2. Step 2: Convert to fraction form
    251,809.77/347,527.50 = 144,379.47/x
  3. Step 3: Cross multiply
    251,809.77x = 347,527.50 × 144,379.47
  4. Step 4: Simplify right side
    251,809.77x = 50,175,836,260.43
  5. Step 5: Solve for x
    x = 50,175,836,260.43/251,809.77
  6. Step 6: Final answer
    x = 199,260.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.