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Finding the Fourth Proportional to 67,147.60, 100,606.20 and 32,011.60

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Solution

The fourth proportional to 67,147.60, 100,606.20 and 32,011.60 is: 47,962.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,147.60 : 100,606.20 = 32,011.60 : x
  2. Step 2: Convert to fraction form
    67,147.60/100,606.20 = 32,011.60/x
  3. Step 3: Cross multiply
    67,147.60x = 100,606.20 × 32,011.60
  4. Step 4: Simplify right side
    67,147.60x = 3,220,565,431.92
  5. Step 5: Solve for x
    x = 3,220,565,431.92/67,147.60
  6. Step 6: Final answer
    x = 47,962.48

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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.