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Finding the Fourth Proportional to 202,562.40, 303,843.60 and 90,296.40

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Solution

The fourth proportional to 202,562.40, 303,843.60 and 90,296.40 is: 135,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,562.40 : 303,843.60 = 90,296.40 : x
  2. Step 2: Convert to fraction form
    202,562.40/303,843.60 = 90,296.40/x
  3. Step 3: Cross multiply
    202,562.40x = 303,843.60 × 90,296.40
  4. Step 4: Simplify right side
    202,562.40x = 27,435,983,243.04
  5. Step 5: Solve for x
    x = 27,435,983,243.04/202,562.40
  6. Step 6: Final answer
    x = 135,444.60

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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.