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Finding the Fourth Proportional to 195,667.20, 293,500.80 and 193,042.80

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Solution

The fourth proportional to 195,667.20, 293,500.80 and 193,042.80 is: 289,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,667.20 : 293,500.80 = 193,042.80 : x
  2. Step 2: Convert to fraction form
    195,667.20/293,500.80 = 193,042.80/x
  3. Step 3: Cross multiply
    195,667.20x = 293,500.80 × 193,042.80
  4. Step 4: Simplify right side
    195,667.20x = 56,658,216,234.24
  5. Step 5: Solve for x
    x = 56,658,216,234.24/195,667.20
  6. Step 6: Final answer
    x = 289,564.20

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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.