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Finding the Fourth Proportional to 135,325.80, 203,037.30 and 56,464.20

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Solution

The fourth proportional to 135,325.80, 203,037.30 and 56,464.20 is: 84,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,325.80 : 203,037.30 = 56,464.20 : x
  2. Step 2: Convert to fraction form
    135,325.80/203,037.30 = 56,464.20/x
  3. Step 3: Cross multiply
    135,325.80x = 203,037.30 × 56,464.20
  4. Step 4: Simplify right side
    135,325.80x = 11,464,338,714.66
  5. Step 5: Solve for x
    x = 11,464,338,714.66/135,325.80
  6. Step 6: Final answer
    x = 84,716.58

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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.