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Finding the Fourth Proportional to 79,144.83, 118,718.76 and 29,199.22

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Solution

The fourth proportional to 79,144.83, 118,718.76 and 29,199.22 is: 43,799.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,144.83 : 118,718.76 = 29,199.22 : x
  2. Step 2: Convert to fraction form
    79,144.83/118,718.76 = 29,199.22/x
  3. Step 3: Cross multiply
    79,144.83x = 118,718.76 × 29,199.22
  4. Step 4: Simplify right side
    79,144.83x = 3,466,495,004.07
  5. Step 5: Solve for x
    x = 3,466,495,004.07/79,144.83
  6. Step 6: Final answer
    x = 43,799.39

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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.