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Finding the Fourth Proportional to 272,704.42, 376,331.15 and 151,847.15

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Solution

The fourth proportional to 272,704.42, 376,331.15 and 151,847.15 is: 209,548.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,704.42 : 376,331.15 = 151,847.15 : x
  2. Step 2: Convert to fraction form
    272,704.42/376,331.15 = 151,847.15/x
  3. Step 3: Cross multiply
    272,704.42x = 376,331.15 × 151,847.15
  4. Step 4: Simplify right side
    272,704.42x = 57,144,811,824.49
  5. Step 5: Solve for x
    x = 57,144,811,824.49/272,704.42
  6. Step 6: Final answer
    x = 209,548.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.