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Finding the Fourth Proportional to 267,376.80, 400,935.60 and 148,922.40

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Solution

The fourth proportional to 267,376.80, 400,935.60 and 148,922.40 is: 223,311.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,376.80 : 400,935.60 = 148,922.40 : x
  2. Step 2: Convert to fraction form
    267,376.80/400,935.60 = 148,922.40/x
  3. Step 3: Cross multiply
    267,376.80x = 400,935.60 × 148,922.40
  4. Step 4: Simplify right side
    267,376.80x = 59,708,291,797.44
  5. Step 5: Solve for x
    x = 59,708,291,797.44/267,376.80
  6. Step 6: Final answer
    x = 223,311.42

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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.