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Finding the Fourth Proportional to 228,589.28, 342,938.64 and 95,395.44

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Solution

The fourth proportional to 228,589.28, 342,938.64 and 95,395.44 is: 143,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,589.28 : 342,938.64 = 95,395.44 : x
  2. Step 2: Convert to fraction form
    228,589.28/342,938.64 = 95,395.44/x
  3. Step 3: Cross multiply
    228,589.28x = 342,938.64 × 95,395.44
  4. Step 4: Simplify right side
    228,589.28x = 32,714,782,455.80
  5. Step 5: Solve for x
    x = 32,714,782,455.80/228,589.28
  6. Step 6: Final answer
    x = 143,116.00

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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.