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Finding the Fourth Proportional to 79,192.80, 118,623.60 and 37,108.80

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Solution

The fourth proportional to 79,192.80, 118,623.60 and 37,108.80 is: 55,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,192.80 : 118,623.60 = 37,108.80 : x
  2. Step 2: Convert to fraction form
    79,192.80/118,623.60 = 37,108.80/x
  3. Step 3: Cross multiply
    79,192.80x = 118,623.60 × 37,108.80
  4. Step 4: Simplify right side
    79,192.80x = 4,401,979,447.68
  5. Step 5: Solve for x
    x = 4,401,979,447.68/79,192.80
  6. Step 6: Final answer
    x = 55,585.60

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1.5x scale

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.