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Finding the Fourth Proportional to 95,905.60, 143,800.80 and 49,249.60

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Solution

The fourth proportional to 95,905.60, 143,800.80 and 49,249.60 is: 73,844.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,905.60 : 143,800.80 = 49,249.60 : x
  2. Step 2: Convert to fraction form
    95,905.60/143,800.80 = 49,249.60/x
  3. Step 3: Cross multiply
    95,905.60x = 143,800.80 × 49,249.60
  4. Step 4: Simplify right side
    95,905.60x = 7,082,131,879.68
  5. Step 5: Solve for x
    x = 7,082,131,879.68/95,905.60
  6. Step 6: Final answer
    x = 73,844.82

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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.