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Finding the Fourth Proportional to 95,843.10, 143,807.85 and 45,903.90

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Solution

The fourth proportional to 95,843.10, 143,807.85 and 45,903.90 is: 68,876.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,843.10 : 143,807.85 = 45,903.90 : x
  2. Step 2: Convert to fraction form
    95,843.10/143,807.85 = 45,903.90/x
  3. Step 3: Cross multiply
    95,843.10x = 143,807.85 × 45,903.90
  4. Step 4: Simplify right side
    95,843.10x = 6,601,341,165.62
  5. Step 5: Solve for x
    x = 6,601,341,165.62/95,843.10
  6. Step 6: Final answer
    x = 68,876.54

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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.