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Finding the Fourth Proportional to 202,507.80, 303,761.70 and 136,152.60

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Solution

The fourth proportional to 202,507.80, 303,761.70 and 136,152.60 is: 204,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,507.80 : 303,761.70 = 136,152.60 : x
  2. Step 2: Convert to fraction form
    202,507.80/303,761.70 = 136,152.60/x
  3. Step 3: Cross multiply
    202,507.80x = 303,761.70 × 136,152.60
  4. Step 4: Simplify right side
    202,507.80x = 41,357,945,235.42
  5. Step 5: Solve for x
    x = 41,357,945,235.42/202,507.80
  6. Step 6: Final answer
    x = 204,228.90

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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.