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Finding the Fourth Proportional to 79,125.56, 118,650.06 and 29,229.16

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Solution

The fourth proportional to 79,125.56, 118,650.06 and 29,229.16 is: 43,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,125.56 : 118,650.06 = 29,229.16 : x
  2. Step 2: Convert to fraction form
    79,125.56/118,650.06 = 29,229.16/x
  3. Step 3: Cross multiply
    79,125.56x = 118,650.06 × 29,229.16
  4. Step 4: Simplify right side
    79,125.56x = 3,468,041,587.75
  5. Step 5: Solve for x
    x = 3,468,041,587.75/79,125.56
  6. Step 6: Final answer
    x = 43,829.60

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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.