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Finding the Fourth Proportional to 135,518.73, 203,310.39 and 46,773

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Solution

The fourth proportional to 135,518.73, 203,310.39 and 46,773 is: 70,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,518.73 : 203,310.39 = 46,773 : x
  2. Step 2: Convert to fraction form
    135,518.73/203,310.39 = 46,773/x
  3. Step 3: Cross multiply
    135,518.73x = 203,310.39 × 46,773
  4. Step 4: Simplify right side
    135,518.73x = 9,509,436,871.47
  5. Step 5: Solve for x
    x = 9,509,436,871.47/135,518.73
  6. Step 6: Final answer
    x = 70,170.65

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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.