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Finding the Fourth Proportional to 224,346.10, 336,446.31 and 74,546.16

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Solution

The fourth proportional to 224,346.10, 336,446.31 and 74,546.16 is: 111,795.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,346.10 : 336,446.31 = 74,546.16 : x
  2. Step 2: Convert to fraction form
    224,346.10/336,446.31 = 74,546.16/x
  3. Step 3: Cross multiply
    224,346.10x = 336,446.31 × 74,546.16
  4. Step 4: Simplify right side
    224,346.10x = 25,080,780,456.67
  5. Step 5: Solve for x
    x = 25,080,780,456.67/224,346.10
  6. Step 6: Final answer
    x = 111,795.04

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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.