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Finding the Fourth Proportional to 67,182.36, 100,812.48 and 33,905.03

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Solution

The fourth proportional to 67,182.36, 100,812.48 and 33,905.03 is: 50,877.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,182.36 : 100,812.48 = 33,905.03 : x
  2. Step 2: Convert to fraction form
    67,182.36/100,812.48 = 33,905.03/x
  3. Step 3: Cross multiply
    67,182.36x = 100,812.48 × 33,905.03
  4. Step 4: Simplify right side
    67,182.36x = 3,418,049,654.71
  5. Step 5: Solve for x
    x = 3,418,049,654.71/67,182.36
  6. Step 6: Final answer
    x = 50,877.19

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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.