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Finding the Fourth Proportional to 203,809.70, 305,714.55 and 63,568.10

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Solution

The fourth proportional to 203,809.70, 305,714.55 and 63,568.10 is: 95,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,809.70 : 305,714.55 = 63,568.10 : x
  2. Step 2: Convert to fraction form
    203,809.70/305,714.55 = 63,568.10/x
  3. Step 3: Cross multiply
    203,809.70x = 305,714.55 × 63,568.10
  4. Step 4: Simplify right side
    203,809.70x = 19,433,693,085.86
  5. Step 5: Solve for x
    x = 19,433,693,085.86/203,809.70
  6. Step 6: Final answer
    x = 95,352.15

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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.