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Finding the Fourth Proportional to 67,453.56, 101,161.89 and 25,330.40

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Solution

The fourth proportional to 67,453.56, 101,161.89 and 25,330.40 is: 37,988.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,453.56 : 101,161.89 = 25,330.40 : x
  2. Step 2: Convert to fraction form
    67,453.56/101,161.89 = 25,330.40/x
  3. Step 3: Cross multiply
    67,453.56x = 101,161.89 × 25,330.40
  4. Step 4: Simplify right side
    67,453.56x = 2,562,471,509.80
  5. Step 5: Solve for x
    x = 2,562,471,509.80/67,453.56
  6. Step 6: Final answer
    x = 37,988.68

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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.