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Finding the Fourth Proportional to 79,201.56, 118,846.08 and 32,443.50

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Solution

The fourth proportional to 79,201.56, 118,846.08 and 32,443.50 is: 48,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,201.56 : 118,846.08 = 32,443.50 : x
  2. Step 2: Convert to fraction form
    79,201.56/118,846.08 = 32,443.50/x
  3. Step 3: Cross multiply
    79,201.56x = 118,846.08 × 32,443.50
  4. Step 4: Simplify right side
    79,201.56x = 3,855,782,796.48
  5. Step 5: Solve for x
    x = 3,855,782,796.48/79,201.56
  6. Step 6: Final answer
    x = 48,683.17

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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.