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Finding the Fourth Proportional to 95,659.99, 143,468.07 and 28,174.57

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Solution

The fourth proportional to 95,659.99, 143,468.07 and 28,174.57 is: 42,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,659.99 : 143,468.07 = 28,174.57 : x
  2. Step 2: Convert to fraction form
    95,659.99/143,468.07 = 28,174.57/x
  3. Step 3: Cross multiply
    95,659.99x = 143,468.07 × 28,174.57
  4. Step 4: Simplify right side
    95,659.99x = 4,042,151,180.98
  5. Step 5: Solve for x
    x = 4,042,151,180.98/95,659.99
  6. Step 6: Final answer
    x = 42,255.40

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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.