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Finding the Fourth Proportional to 103,958.91, 155,938.23 and 25,073.15

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Solution

The fourth proportional to 103,958.91, 155,938.23 and 25,073.15 is: 37,609.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,958.91 : 155,938.23 = 25,073.15 : x
  2. Step 2: Convert to fraction form
    103,958.91/155,938.23 = 25,073.15/x
  3. Step 3: Cross multiply
    103,958.91x = 155,938.23 × 25,073.15
  4. Step 4: Simplify right side
    103,958.91x = 3,909,861,851.83
  5. Step 5: Solve for x
    x = 3,909,861,851.83/103,958.91
  6. Step 6: Final answer
    x = 37,609.68

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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.