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Finding the Fourth Proportional to 79,173.24, 118,594.62 and 47,482.80

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Solution

The fourth proportional to 79,173.24, 118,594.62 and 47,482.80 is: 71,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,173.24 : 118,594.62 = 47,482.80 : x
  2. Step 2: Convert to fraction form
    79,173.24/118,594.62 = 47,482.80/x
  3. Step 3: Cross multiply
    79,173.24x = 118,594.62 × 47,482.80
  4. Step 4: Simplify right side
    79,173.24x = 5,631,204,622.54
  5. Step 5: Solve for x
    x = 5,631,204,622.54/79,173.24
  6. Step 6: Final answer
    x = 71,125.10

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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.