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Finding the Fourth Proportional to 351,073.98, 484,481.43 and 189,929.16

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Solution

The fourth proportional to 351,073.98, 484,481.43 and 189,929.16 is: 262,101.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,073.98 : 484,481.43 = 189,929.16 : x
  2. Step 2: Convert to fraction form
    351,073.98/484,481.43 = 189,929.16/x
  3. Step 3: Cross multiply
    351,073.98x = 484,481.43 × 189,929.16
  4. Step 4: Simplify right side
    351,073.98x = 92,017,151,035.50
  5. Step 5: Solve for x
    x = 92,017,151,035.50/351,073.98
  6. Step 6: Final answer
    x = 262,101.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.