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Finding the Fourth Proportional to 79,222.40, 118,823.36 and 29,968

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Solution

The fourth proportional to 79,222.40, 118,823.36 and 29,968 is: 44,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,222.40 : 118,823.36 = 29,968 : x
  2. Step 2: Convert to fraction form
    79,222.40/118,823.36 = 29,968/x
  3. Step 3: Cross multiply
    79,222.40x = 118,823.36 × 29,968
  4. Step 4: Simplify right side
    79,222.40x = 3,560,898,452.48
  5. Step 5: Solve for x
    x = 3,560,898,452.48/79,222.40
  6. Step 6: Final answer
    x = 44,948.13

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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.