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Finding the Fourth Proportional to 237,080.78, 355,246.62 and 192,489.68

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Solution

The fourth proportional to 237,080.78, 355,246.62 and 192,489.68 is: 288,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,080.78 : 355,246.62 = 192,489.68 : x
  2. Step 2: Convert to fraction form
    237,080.78/355,246.62 = 192,489.68/x
  3. Step 3: Cross multiply
    237,080.78x = 355,246.62 × 192,489.68
  4. Step 4: Simplify right side
    237,080.78x = 68,381,308,204.88
  5. Step 5: Solve for x
    x = 68,381,308,204.88/237,080.78
  6. Step 6: Final answer
    x = 288,430.42

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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.