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Finding the Fourth Proportional to 291,793.89, 437,653.94 and 92,134.46

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Solution

The fourth proportional to 291,793.89, 437,653.94 and 92,134.46 is: 138,190.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,793.89 : 437,653.94 = 92,134.46 : x
  2. Step 2: Convert to fraction form
    291,793.89/437,653.94 = 92,134.46/x
  3. Step 3: Cross multiply
    291,793.89x = 437,653.94 × 92,134.46
  4. Step 4: Simplify right side
    291,793.89x = 40,323,010,062.23
  5. Step 5: Solve for x
    x = 40,323,010,062.23/291,793.89
  6. Step 6: Final answer
    x = 138,190.04

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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.