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Finding the Fourth Proportional to 202,977.80, 304,466.70 and 136,622.60

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Solution

The fourth proportional to 202,977.80, 304,466.70 and 136,622.60 is: 204,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,977.80 : 304,466.70 = 136,622.60 : x
  2. Step 2: Convert to fraction form
    202,977.80/304,466.70 = 136,622.60/x
  3. Step 3: Cross multiply
    202,977.80x = 304,466.70 × 136,622.60
  4. Step 4: Simplify right side
    202,977.80x = 41,597,032,167.42
  5. Step 5: Solve for x
    x = 41,597,032,167.42/202,977.80
  6. Step 6: Final answer
    x = 204,933.90

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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.