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Finding the Fourth Proportional to 453,043.44, 679,549.41 and 116,086.86

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Solution

The fourth proportional to 453,043.44, 679,549.41 and 116,086.86 is: 174,126.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,043.44 : 679,549.41 = 116,086.86 : x
  2. Step 2: Convert to fraction form
    453,043.44/679,549.41 = 116,086.86/x
  3. Step 3: Cross multiply
    453,043.44x = 679,549.41 × 116,086.86
  4. Step 4: Simplify right side
    453,043.44x = 78,886,757,221.75
  5. Step 5: Solve for x
    x = 78,886,757,221.75/453,043.44
  6. Step 6: Final answer
    x = 174,126.25

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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.