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Finding the Fourth Proportional to 195,430.60, 293,793.90 and 169,769.80

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Solution

The fourth proportional to 195,430.60, 293,793.90 and 169,769.80 is: 255,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,430.60 : 293,793.90 = 169,769.80 : x
  2. Step 2: Convert to fraction form
    195,430.60/293,793.90 = 169,769.80/x
  3. Step 3: Cross multiply
    195,430.60x = 293,793.90 × 169,769.80
  4. Step 4: Simplify right side
    195,430.60x = 49,877,331,644.22
  5. Step 5: Solve for x
    x = 49,877,331,644.22/195,430.60
  6. Step 6: Final answer
    x = 255,217.62

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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.