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Finding the Fourth Proportional to 134,414.20, 201,694.20 and 55,536.40

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Solution

The fourth proportional to 134,414.20, 201,694.20 and 55,536.40 is: 83,334.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,414.20 : 201,694.20 = 55,536.40 : x
  2. Step 2: Convert to fraction form
    134,414.20/201,694.20 = 55,536.40/x
  3. Step 3: Cross multiply
    134,414.20x = 201,694.20 × 55,536.40
  4. Step 4: Simplify right side
    134,414.20x = 11,201,369,768.88
  5. Step 5: Solve for x
    x = 11,201,369,768.88/134,414.20
  6. Step 6: Final answer
    x = 83,334.72

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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.