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Finding the Fourth Proportional to 65,424.99, 98,150.90 and 25,443.03

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Solution

The fourth proportional to 65,424.99, 98,150.90 and 25,443.03 is: 38,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,424.99 : 98,150.90 = 25,443.03 : x
  2. Step 2: Convert to fraction form
    65,424.99/98,150.90 = 25,443.03/x
  3. Step 3: Cross multiply
    65,424.99x = 98,150.90 × 25,443.03
  4. Step 4: Simplify right side
    65,424.99x = 2,497,256,166.01
  5. Step 5: Solve for x
    x = 2,497,256,166.01/65,424.99
  6. Step 6: Final answer
    x = 38,169.76

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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.