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Finding the Fourth Proportional to 95,605.68, 143,272.17 and 70,447.92

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Solution

The fourth proportional to 95,605.68, 143,272.17 and 70,447.92 is: 105,571.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,605.68 : 143,272.17 = 70,447.92 : x
  2. Step 2: Convert to fraction form
    95,605.68/143,272.17 = 70,447.92/x
  3. Step 3: Cross multiply
    95,605.68x = 143,272.17 × 70,447.92
  4. Step 4: Simplify right side
    95,605.68x = 10,093,226,370.39
  5. Step 5: Solve for x
    x = 10,093,226,370.39/95,605.68
  6. Step 6: Final answer
    x = 105,571.41

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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.