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Finding the Fourth Proportional to 135,482.36, 203,112.77 and 51,194.77

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Solution

The fourth proportional to 135,482.36, 203,112.77 and 51,194.77 is: 76,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,482.36 : 203,112.77 = 51,194.77 : x
  2. Step 2: Convert to fraction form
    135,482.36/203,112.77 = 51,194.77/x
  3. Step 3: Cross multiply
    135,482.36x = 203,112.77 × 51,194.77
  4. Step 4: Simplify right side
    135,482.36x = 10,398,310,780.46
  5. Step 5: Solve for x
    x = 10,398,310,780.46/135,482.36
  6. Step 6: Final answer
    x = 76,750.30

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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.