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Finding the Fourth Proportional to 135,029.40, 201,960.90 and 114,034.20

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Solution

The fourth proportional to 135,029.40, 201,960.90 and 114,034.20 is: 170,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,029.40 : 201,960.90 = 114,034.20 : x
  2. Step 2: Convert to fraction form
    135,029.40/201,960.90 = 114,034.20/x
  3. Step 3: Cross multiply
    135,029.40x = 201,960.90 × 114,034.20
  4. Step 4: Simplify right side
    135,029.40x = 23,030,449,662.78
  5. Step 5: Solve for x
    x = 23,030,449,662.78/135,029.40
  6. Step 6: Final answer
    x = 170,558.78

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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.