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Finding the Fourth Proportional to 59,614.40, 89,324.40 and 51,255.20

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Solution

The fourth proportional to 59,614.40, 89,324.40 and 51,255.20 is: 76,799.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,614.40 : 89,324.40 = 51,255.20 : x
  2. Step 2: Convert to fraction form
    59,614.40/89,324.40 = 51,255.20/x
  3. Step 3: Cross multiply
    59,614.40x = 89,324.40 × 51,255.20
  4. Step 4: Simplify right side
    59,614.40x = 4,578,339,986.88
  5. Step 5: Solve for x
    x = 4,578,339,986.88/59,614.40
  6. Step 6: Final answer
    x = 76,799.23

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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.