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Finding the Fourth Proportional to 79,166.60, 118,749.90 and 20,002.44

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Solution

The fourth proportional to 79,166.60, 118,749.90 and 20,002.44 is: 30,003.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,166.60 : 118,749.90 = 20,002.44 : x
  2. Step 2: Convert to fraction form
    79,166.60/118,749.90 = 20,002.44/x
  3. Step 3: Cross multiply
    79,166.60x = 118,749.90 × 20,002.44
  4. Step 4: Simplify right side
    79,166.60x = 2,375,287,749.76
  5. Step 5: Solve for x
    x = 2,375,287,749.76/79,166.60
  6. Step 6: Final answer
    x = 30,003.66

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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.