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Finding the Fourth Proportional to 95,736.90, 143,346.15 and 75,000.90

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Solution

The fourth proportional to 95,736.90, 143,346.15 and 75,000.90 is: 112,298.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,736.90 : 143,346.15 = 75,000.90 : x
  2. Step 2: Convert to fraction form
    95,736.90/143,346.15 = 75,000.90/x
  3. Step 3: Cross multiply
    95,736.90x = 143,346.15 × 75,000.90
  4. Step 4: Simplify right side
    95,736.90x = 10,751,090,261.54
  5. Step 5: Solve for x
    x = 10,751,090,261.54/95,736.90
  6. Step 6: Final answer
    x = 112,298.29

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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.