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Finding the Fourth Proportional to 195,234.62, 269,425.35 and 105,810.62

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Solution

The fourth proportional to 195,234.62, 269,425.35 and 105,810.62 is: 146,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,234.62 : 269,425.35 = 105,810.62 : x
  2. Step 2: Convert to fraction form
    195,234.62/269,425.35 = 105,810.62/x
  3. Step 3: Cross multiply
    195,234.62x = 269,425.35 × 105,810.62
  4. Step 4: Simplify right side
    195,234.62x = 28,508,063,327.22
  5. Step 5: Solve for x
    x = 28,508,063,327.22/195,234.62
  6. Step 6: Final answer
    x = 146,019.51

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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.