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Finding the Fourth Proportional to 272,954.64, 376,679.87 and 150,440.29

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Solution

The fourth proportional to 272,954.64, 376,679.87 and 150,440.29 is: 207,608.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,954.64 : 376,679.87 = 150,440.29 : x
  2. Step 2: Convert to fraction form
    272,954.64/376,679.87 = 150,440.29/x
  3. Step 3: Cross multiply
    272,954.64x = 376,679.87 × 150,440.29
  4. Step 4: Simplify right side
    272,954.64x = 56,667,827,750.21
  5. Step 5: Solve for x
    x = 56,667,827,750.21/272,954.64
  6. Step 6: Final answer
    x = 207,608.95

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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.