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Finding the Fourth Proportional to 135,506.59, 203,227.21 and 56,578.03

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Solution

The fourth proportional to 135,506.59, 203,227.21 and 56,578.03 is: 84,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,506.59 : 203,227.21 = 56,578.03 : x
  2. Step 2: Convert to fraction form
    135,506.59/203,227.21 = 56,578.03/x
  3. Step 3: Cross multiply
    135,506.59x = 203,227.21 × 56,578.03
  4. Step 4: Simplify right side
    135,506.59x = 11,498,193,885.17
  5. Step 5: Solve for x
    x = 11,498,193,885.17/135,506.59
  6. Step 6: Final answer
    x = 84,853.40

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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.