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Finding the Fourth Proportional to 195,861.60, 293,014.80 and 169,855.20

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Solution

The fourth proportional to 195,861.60, 293,014.80 and 169,855.20 is: 254,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,861.60 : 293,014.80 = 169,855.20 : x
  2. Step 2: Convert to fraction form
    195,861.60/293,014.80 = 169,855.20/x
  3. Step 3: Cross multiply
    195,861.60x = 293,014.80 × 169,855.20
  4. Step 4: Simplify right side
    195,861.60x = 49,770,087,456.96
  5. Step 5: Solve for x
    x = 49,770,087,456.96/195,861.60
  6. Step 6: Final answer
    x = 254,108.45

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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.