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Finding the Fourth Proportional to 344,590.75, 516,886.16 and 107,951.88

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Solution

The fourth proportional to 344,590.75, 516,886.16 and 107,951.88 is: 161,927.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,590.75 : 516,886.16 = 107,951.88 : x
  2. Step 2: Convert to fraction form
    344,590.75/516,886.16 = 107,951.88/x
  3. Step 3: Cross multiply
    344,590.75x = 516,886.16 × 107,951.88
  4. Step 4: Simplify right side
    344,590.75x = 55,798,832,717.98
  5. Step 5: Solve for x
    x = 55,798,832,717.98/344,590.75
  6. Step 6: Final answer
    x = 161,927.83

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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.