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Finding the Fourth Proportional to 218,773.52, 327,790.80 and 134,357.60

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Solution

The fourth proportional to 218,773.52, 327,790.80 and 134,357.60 is: 201,309.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,773.52 : 327,790.80 = 134,357.60 : x
  2. Step 2: Convert to fraction form
    218,773.52/327,790.80 = 134,357.60/x
  3. Step 3: Cross multiply
    218,773.52x = 327,790.80 × 134,357.60
  4. Step 4: Simplify right side
    218,773.52x = 44,041,185,190.08
  5. Step 5: Solve for x
    x = 44,041,185,190.08/218,773.52
  6. Step 6: Final answer
    x = 201,309.49

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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.