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Finding the Fourth Proportional to 291,756.89, 437,635.34 and 92,092.85

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Solution

The fourth proportional to 291,756.89, 437,635.34 and 92,092.85 is: 138,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,756.89 : 437,635.34 = 92,092.85 : x
  2. Step 2: Convert to fraction form
    291,756.89/437,635.34 = 92,092.85/x
  3. Step 3: Cross multiply
    291,756.89x = 437,635.34 × 92,092.85
  4. Step 4: Simplify right side
    291,756.89x = 40,303,085,260.85
  5. Step 5: Solve for x
    x = 40,303,085,260.85/291,756.89
  6. Step 6: Final answer
    x = 138,139.28

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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.