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Finding the Fourth Proportional to 234,146.93, 351,005.11 and 84,350.59

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Solution

The fourth proportional to 234,146.93, 351,005.11 and 84,350.59 is: 126,448.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,146.93 : 351,005.11 = 84,350.59 : x
  2. Step 2: Convert to fraction form
    234,146.93/351,005.11 = 84,350.59/x
  3. Step 3: Cross multiply
    234,146.93x = 351,005.11 × 84,350.59
  4. Step 4: Simplify right side
    234,146.93x = 29,607,488,121.51
  5. Step 5: Solve for x
    x = 29,607,488,121.51/234,146.93
  6. Step 6: Final answer
    x = 126,448.33

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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.