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Finding the Fourth Proportional to 95,662.72, 143,422.64 and 65,995.92

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Solution

The fourth proportional to 95,662.72, 143,422.64 and 65,995.92 is: 98,944.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,662.72 : 143,422.64 = 65,995.92 : x
  2. Step 2: Convert to fraction form
    95,662.72/143,422.64 = 65,995.92/x
  3. Step 3: Cross multiply
    95,662.72x = 143,422.64 × 65,995.92
  4. Step 4: Simplify right side
    95,662.72x = 9,465,309,075.63
  5. Step 5: Solve for x
    x = 9,465,309,075.63/95,662.72
  6. Step 6: Final answer
    x = 98,944.59

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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.