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Finding the Fourth Proportional to 95,513.66, 143,083.28 and 55,448.62

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Solution

The fourth proportional to 95,513.66, 143,083.28 and 55,448.62 is: 83,064.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,513.66 : 143,083.28 = 55,448.62 : x
  2. Step 2: Convert to fraction form
    95,513.66/143,083.28 = 55,448.62/x
  3. Step 3: Cross multiply
    95,513.66x = 143,083.28 × 55,448.62
  4. Step 4: Simplify right side
    95,513.66x = 7,933,770,421.07
  5. Step 5: Solve for x
    x = 7,933,770,421.07/95,513.66
  6. Step 6: Final answer
    x = 83,064.25

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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.