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Finding the Fourth Proportional to 108,697.80, 150,076.62 and 67,924.20

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Solution

The fourth proportional to 108,697.80, 150,076.62 and 67,924.20 is: 93,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,697.80 : 150,076.62 = 67,924.20 : x
  2. Step 2: Convert to fraction form
    108,697.80/150,076.62 = 67,924.20/x
  3. Step 3: Cross multiply
    108,697.80x = 150,076.62 × 67,924.20
  4. Step 4: Simplify right side
    108,697.80x = 10,193,834,352.20
  5. Step 5: Solve for x
    x = 10,193,834,352.20/108,697.80
  6. Step 6: Final answer
    x = 93,781.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.