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Finding the Fourth Proportional to 267,029.80, 400,803.90 and 134,060.20

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Solution

The fourth proportional to 267,029.80, 400,803.90 and 134,060.20 is: 201,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,029.80 : 400,803.90 = 134,060.20 : x
  2. Step 2: Convert to fraction form
    267,029.80/400,803.90 = 134,060.20/x
  3. Step 3: Cross multiply
    267,029.80x = 400,803.90 × 134,060.20
  4. Step 4: Simplify right side
    267,029.80x = 53,731,850,994.78
  5. Step 5: Solve for x
    x = 53,731,850,994.78/267,029.80
  6. Step 6: Final answer
    x = 201,220.43

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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.