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Finding the Fourth Proportional to 132,343.40, 198,515.10 and 33,847.40

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Solution

The fourth proportional to 132,343.40, 198,515.10 and 33,847.40 is: 50,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,343.40 : 198,515.10 = 33,847.40 : x
  2. Step 2: Convert to fraction form
    132,343.40/198,515.10 = 33,847.40/x
  3. Step 3: Cross multiply
    132,343.40x = 198,515.10 × 33,847.40
  4. Step 4: Simplify right side
    132,343.40x = 6,719,219,995.74
  5. Step 5: Solve for x
    x = 6,719,219,995.74/132,343.40
  6. Step 6: Final answer
    x = 50,771.10

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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.