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Finding the Fourth Proportional to 95,696.38, 143,496.30 and 55,728.28

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Solution

The fourth proportional to 95,696.38, 143,496.30 and 55,728.28 is: 83,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,696.38 : 143,496.30 = 55,728.28 : x
  2. Step 2: Convert to fraction form
    95,696.38/143,496.30 = 55,728.28/x
  3. Step 3: Cross multiply
    95,696.38x = 143,496.30 × 55,728.28
  4. Step 4: Simplify right side
    95,696.38x = 7,996,801,267.88
  5. Step 5: Solve for x
    x = 7,996,801,267.88/95,696.38
  6. Step 6: Final answer
    x = 83,564.31

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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.