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Finding the Fourth Proportional to 202,228.60, 303,342.90 and 187,022.20

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Solution

The fourth proportional to 202,228.60, 303,342.90 and 187,022.20 is: 280,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,228.60 : 303,342.90 = 187,022.20 : x
  2. Step 2: Convert to fraction form
    202,228.60/303,342.90 = 187,022.20/x
  3. Step 3: Cross multiply
    202,228.60x = 303,342.90 × 187,022.20
  4. Step 4: Simplify right side
    202,228.60x = 56,731,856,512.38
  5. Step 5: Solve for x
    x = 56,731,856,512.38/202,228.60
  6. Step 6: Final answer
    x = 280,533.30

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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.