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Finding the Fourth Proportional to 95,231.68, 142,828.96 and 70,037.44

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Solution

The fourth proportional to 95,231.68, 142,828.96 and 70,037.44 is: 105,042.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,231.68 : 142,828.96 = 70,037.44 : x
  2. Step 2: Convert to fraction form
    95,231.68/142,828.96 = 70,037.44/x
  3. Step 3: Cross multiply
    95,231.68x = 142,828.96 × 70,037.44
  4. Step 4: Simplify right side
    95,231.68x = 10,003,374,716.26
  5. Step 5: Solve for x
    x = 10,003,374,716.26/95,231.68
  6. Step 6: Final answer
    x = 105,042.51

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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.