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Finding the Fourth Proportional to 337,086.94, 505,632.36 and 112,446.82

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Solution

The fourth proportional to 337,086.94, 505,632.36 and 112,446.82 is: 168,670.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,086.94 : 505,632.36 = 112,446.82 : x
  2. Step 2: Convert to fraction form
    337,086.94/505,632.36 = 112,446.82/x
  3. Step 3: Cross multiply
    337,086.94x = 505,632.36 × 112,446.82
  4. Step 4: Simplify right side
    337,086.94x = 56,856,750,971.10
  5. Step 5: Solve for x
    x = 56,856,750,971.10/337,086.94
  6. Step 6: Final answer
    x = 168,670.88

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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.