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Finding the Fourth Proportional to 344,251.17, 475,077.33 and 189,199.67

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Solution

The fourth proportional to 344,251.17, 475,077.33 and 189,199.67 is: 261,101.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,251.17 : 475,077.33 = 189,199.67 : x
  2. Step 2: Convert to fraction form
    344,251.17/475,077.33 = 189,199.67/x
  3. Step 3: Cross multiply
    344,251.17x = 475,077.33 × 189,199.67
  4. Step 4: Simplify right side
    344,251.17x = 89,884,471,685.09
  5. Step 5: Solve for x
    x = 89,884,471,685.09/344,251.17
  6. Step 6: Final answer
    x = 261,101.43

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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.