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Finding the Fourth Proportional to 79,200.80, 118,635.60 and 37,116.80

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Solution

The fourth proportional to 79,200.80, 118,635.60 and 37,116.80 is: 55,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,200.80 : 118,635.60 = 37,116.80 : x
  2. Step 2: Convert to fraction form
    79,200.80/118,635.60 = 37,116.80/x
  3. Step 3: Cross multiply
    79,200.80x = 118,635.60 × 37,116.80
  4. Step 4: Simplify right side
    79,200.80x = 4,403,373,838.08
  5. Step 5: Solve for x
    x = 4,403,373,838.08/79,200.80
  6. Step 6: Final answer
    x = 55,597.59

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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.