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Finding the Fourth Proportional to 267,744.53, 401,070.05 and 149,478.86

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Solution

The fourth proportional to 267,744.53, 401,070.05 and 149,478.86 is: 223,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,744.53 : 401,070.05 = 149,478.86 : x
  2. Step 2: Convert to fraction form
    267,744.53/401,070.05 = 149,478.86/x
  3. Step 3: Cross multiply
    267,744.53x = 401,070.05 × 149,478.86
  4. Step 4: Simplify right side
    267,744.53x = 59,951,494,109.42
  5. Step 5: Solve for x
    x = 59,951,494,109.42/267,744.53
  6. Step 6: Final answer
    x = 223,913.05

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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.