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Finding the Fourth Proportional to 291,755.76, 437,633.75 and 92,096.34

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Solution

The fourth proportional to 291,755.76, 437,633.75 and 92,096.34 is: 138,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,755.76 : 437,633.75 = 92,096.34 : x
  2. Step 2: Convert to fraction form
    291,755.76/437,633.75 = 92,096.34/x
  3. Step 3: Cross multiply
    291,755.76x = 437,633.75 × 92,096.34
  4. Step 4: Simplify right side
    291,755.76x = 40,304,466,635.48
  5. Step 5: Solve for x
    x = 40,304,466,635.48/291,755.76
  6. Step 6: Final answer
    x = 138,144.54

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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.