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Finding the Fourth Proportional to 118,972.73, 178,485.50 and 35,860.73

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Solution

The fourth proportional to 118,972.73, 178,485.50 and 35,860.73 is: 53,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,972.73 : 178,485.50 = 35,860.73 : x
  2. Step 2: Convert to fraction form
    118,972.73/178,485.50 = 35,860.73/x
  3. Step 3: Cross multiply
    118,972.73x = 178,485.50 × 35,860.73
  4. Step 4: Simplify right side
    118,972.73x = 6,400,620,324.42
  5. Step 5: Solve for x
    x = 6,400,620,324.42/118,972.73
  6. Step 6: Final answer
    x = 53,799.05

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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.