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Finding the Fourth Proportional to 116,157.78, 174,189.77 and 45,042.97

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Solution

The fourth proportional to 116,157.78, 174,189.77 and 45,042.97 is: 67,546.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,157.78 : 174,189.77 = 45,042.97 : x
  2. Step 2: Convert to fraction form
    116,157.78/174,189.77 = 45,042.97/x
  3. Step 3: Cross multiply
    116,157.78x = 174,189.77 × 45,042.97
  4. Step 4: Simplify right side
    116,157.78x = 7,846,025,027.42
  5. Step 5: Solve for x
    x = 7,846,025,027.42/116,157.78
  6. Step 6: Final answer
    x = 67,546.27

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1.5x scale

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.