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Finding the Fourth Proportional to 95,487.48, 143,231.28 and 36,309.48

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Solution

The fourth proportional to 95,487.48, 143,231.28 and 36,309.48 is: 54,464.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,487.48 : 143,231.28 = 36,309.48 : x
  2. Step 2: Convert to fraction form
    95,487.48/143,231.28 = 36,309.48/x
  3. Step 3: Cross multiply
    95,487.48x = 143,231.28 × 36,309.48
  4. Step 4: Simplify right side
    95,487.48x = 5,200,653,296.53
  5. Step 5: Solve for x
    x = 5,200,653,296.53/95,487.48
  6. Step 6: Final answer
    x = 54,464.24

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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.