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Finding the Fourth Proportional to 73,438.20, 110,084.40 and 33,926.40

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Solution

The fourth proportional to 73,438.20, 110,084.40 and 33,926.40 is: 50,855.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,438.20 : 110,084.40 = 33,926.40 : x
  2. Step 2: Convert to fraction form
    73,438.20/110,084.40 = 33,926.40/x
  3. Step 3: Cross multiply
    73,438.20x = 110,084.40 × 33,926.40
  4. Step 4: Simplify right side
    73,438.20x = 3,734,767,388.16
  5. Step 5: Solve for x
    x = 3,734,767,388.16/73,438.20
  6. Step 6: Final answer
    x = 50,855.92

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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.