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Finding the Fourth Proportional to 267,500.86, 401,276.67 and 75,374.62

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Solution

The fourth proportional to 267,500.86, 401,276.67 and 75,374.62 is: 113,069.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,500.86 : 401,276.67 = 75,374.62 : x
  2. Step 2: Convert to fraction form
    267,500.86/401,276.67 = 75,374.62/x
  3. Step 3: Cross multiply
    267,500.86x = 401,276.67 × 75,374.62
  4. Step 4: Simplify right side
    267,500.86x = 30,246,076,516.12
  5. Step 5: Solve for x
    x = 30,246,076,516.12/267,500.86
  6. Step 6: Final answer
    x = 113,069.08

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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.