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Finding the Fourth Proportional to 234,145.93, 351,003.61 and 84,349.59

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Solution

The fourth proportional to 234,145.93, 351,003.61 and 84,349.59 is: 126,446.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,145.93 : 351,003.61 = 84,349.59 : x
  2. Step 2: Convert to fraction form
    234,145.93/351,003.61 = 84,349.59/x
  3. Step 3: Cross multiply
    234,145.93x = 351,003.61 × 84,349.59
  4. Step 4: Simplify right side
    234,145.93x = 29,607,008,626.13
  5. Step 5: Solve for x
    x = 29,607,008,626.13/234,145.93
  6. Step 6: Final answer
    x = 126,446.82

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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.