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Finding the Fourth Proportional to 79,224.48, 118,830.87 and 29,281.26

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Solution

The fourth proportional to 79,224.48, 118,830.87 and 29,281.26 is: 43,919.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,224.48 : 118,830.87 = 29,281.26 : x
  2. Step 2: Convert to fraction form
    79,224.48/118,830.87 = 29,281.26/x
  3. Step 3: Cross multiply
    79,224.48x = 118,830.87 × 29,281.26
  4. Step 4: Simplify right side
    79,224.48x = 3,479,517,600.50
  5. Step 5: Solve for x
    x = 3,479,517,600.50/79,224.48
  6. Step 6: Final answer
    x = 43,919.73

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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.