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Finding the Fourth Proportional to 95,357.89, 143,083.28 and 39,214.87

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Solution

The fourth proportional to 95,357.89, 143,083.28 and 39,214.87 is: 58,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,357.89 : 143,083.28 = 39,214.87 : x
  2. Step 2: Convert to fraction form
    95,357.89/143,083.28 = 39,214.87/x
  3. Step 3: Cross multiply
    95,357.89x = 143,083.28 × 39,214.87
  4. Step 4: Simplify right side
    95,357.89x = 5,610,992,224.37
  5. Step 5: Solve for x
    x = 5,610,992,224.37/95,357.89
  6. Step 6: Final answer
    x = 58,841.40

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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.