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Finding the Fourth Proportional to 79,247.90, 118,865.94 and 29,304.66

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Solution

The fourth proportional to 79,247.90, 118,865.94 and 29,304.66 is: 43,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,247.90 : 118,865.94 = 29,304.66 : x
  2. Step 2: Convert to fraction form
    79,247.90/118,865.94 = 29,304.66/x
  3. Step 3: Cross multiply
    79,247.90x = 118,865.94 × 29,304.66
  4. Step 4: Simplify right side
    79,247.90x = 3,483,325,957.28
  5. Step 5: Solve for x
    x = 3,483,325,957.28/79,247.90
  6. Step 6: Final answer
    x = 43,954.80

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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.