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Finding the Fourth Proportional to 208,010.90, 311,765.70 and 95,535.92

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Solution

The fourth proportional to 208,010.90, 311,765.70 and 95,535.92 is: 143,188.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,010.90 : 311,765.70 = 95,535.92 : x
  2. Step 2: Convert to fraction form
    208,010.90/311,765.70 = 95,535.92/x
  3. Step 3: Cross multiply
    208,010.90x = 311,765.70 × 95,535.92
  4. Step 4: Simplify right side
    208,010.90x = 29,784,822,973.94
  5. Step 5: Solve for x
    x = 29,784,822,973.94/208,010.90
  6. Step 6: Final answer
    x = 143,188.76

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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.