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Finding the Fourth Proportional to 71,161.64, 106,740.02 and 33,739.64

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Solution

The fourth proportional to 71,161.64, 106,740.02 and 33,739.64 is: 50,608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,161.64 : 106,740.02 = 33,739.64 : x
  2. Step 2: Convert to fraction form
    71,161.64/106,740.02 = 33,739.64/x
  3. Step 3: Cross multiply
    71,161.64x = 106,740.02 × 33,739.64
  4. Step 4: Simplify right side
    71,161.64x = 3,601,369,848.39
  5. Step 5: Solve for x
    x = 3,601,369,848.39/71,161.64
  6. Step 6: Final answer
    x = 50,608.30

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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.