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Finding the Fourth Proportional to 267,041.60, 400,285.52 and 166,972.07

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Solution

The fourth proportional to 267,041.60, 400,285.52 and 166,972.07 is: 250,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,041.60 : 400,285.52 = 166,972.07 : x
  2. Step 2: Convert to fraction form
    267,041.60/400,285.52 = 166,972.07/x
  3. Step 3: Cross multiply
    267,041.60x = 400,285.52 × 166,972.07
  4. Step 4: Simplify right side
    267,041.60x = 66,836,501,865.43
  5. Step 5: Solve for x
    x = 66,836,501,865.43/267,041.60
  6. Step 6: Final answer
    x = 250,284.98

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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.