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Finding the Fourth Proportional to 208,230.40, 312,253.26 and 95,883.40

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Solution

The fourth proportional to 208,230.40, 312,253.26 and 95,883.40 is: 143,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,230.40 : 312,253.26 = 95,883.40 : x
  2. Step 2: Convert to fraction form
    208,230.40/312,253.26 = 95,883.40/x
  3. Step 3: Cross multiply
    208,230.40x = 312,253.26 × 95,883.40
  4. Step 4: Simplify right side
    208,230.40x = 29,939,904,229.88
  5. Step 5: Solve for x
    x = 29,939,904,229.88/208,230.40
  6. Step 6: Final answer
    x = 143,782.58

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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.