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Finding the Fourth Proportional to 103,597.95, 155,357.87 and 33,458.43

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Solution

The fourth proportional to 103,597.95, 155,357.87 and 33,458.43 is: 50,175.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,597.95 : 155,357.87 = 33,458.43 : x
  2. Step 2: Convert to fraction form
    103,597.95/155,357.87 = 33,458.43/x
  3. Step 3: Cross multiply
    103,597.95x = 155,357.87 × 33,458.43
  4. Step 4: Simplify right side
    103,597.95x = 5,198,030,251.05
  5. Step 5: Solve for x
    x = 5,198,030,251.05/103,597.95
  6. Step 6: Final answer
    x = 50,175.03

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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.