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Finding the Fourth Proportional to 189,789.98, 284,714.50 and 63,391.10

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Solution

The fourth proportional to 189,789.98, 284,714.50 and 63,391.10 is: 95,096.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,789.98 : 284,714.50 = 63,391.10 : x
  2. Step 2: Convert to fraction form
    189,789.98/284,714.50 = 63,391.10/x
  3. Step 3: Cross multiply
    189,789.98x = 284,714.50 × 63,391.10
  4. Step 4: Simplify right side
    189,789.98x = 18,048,365,340.95
  5. Step 5: Solve for x
    x = 18,048,365,340.95/189,789.98
  6. Step 6: Final answer
    x = 95,096.51

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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.