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Finding the Fourth Proportional to 99,375.20, 149,062.80 and 32,825.60

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Solution

The fourth proportional to 99,375.20, 149,062.80 and 32,825.60 is: 49,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,375.20 : 149,062.80 = 32,825.60 : x
  2. Step 2: Convert to fraction form
    99,375.20/149,062.80 = 32,825.60/x
  3. Step 3: Cross multiply
    99,375.20x = 149,062.80 × 32,825.60
  4. Step 4: Simplify right side
    99,375.20x = 4,893,075,847.68
  5. Step 5: Solve for x
    x = 4,893,075,847.68/99,375.20
  6. Step 6: Final answer
    x = 49,238.40

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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.