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Finding the Fourth Proportional to 267,533.80, 401,171.10 and 149,079.40

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Solution

The fourth proportional to 267,533.80, 401,171.10 and 149,079.40 is: 223,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,533.80 : 401,171.10 = 149,079.40 : x
  2. Step 2: Convert to fraction form
    267,533.80/401,171.10 = 149,079.40/x
  3. Step 3: Cross multiply
    267,533.80x = 401,171.10 × 149,079.40
  4. Step 4: Simplify right side
    267,533.80x = 59,806,346,885.34
  5. Step 5: Solve for x
    x = 59,806,346,885.34/267,533.80
  6. Step 6: Final answer
    x = 223,546.88

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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.