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Finding the Fourth Proportional to 234,505, 323,494.48 and 143,881.18

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Solution

The fourth proportional to 234,505, 323,494.48 and 143,881.18 is: 198,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,505 : 323,494.48 = 143,881.18 : x
  2. Step 2: Convert to fraction form
    234,505/323,494.48 = 143,881.18/x
  3. Step 3: Cross multiply
    234,505x = 323,494.48 × 143,881.18
  4. Step 4: Simplify right side
    234,505x = 46,544,767,505.89
  5. Step 5: Solve for x
    x = 46,544,767,505.89/234,505
  6. Step 6: Final answer
    x = 198,480.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.