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Finding the Fourth Proportional to 234,894.80, 324,153.18 and 127,462.10

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Solution

The fourth proportional to 234,894.80, 324,153.18 and 127,462.10 is: 175,896.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,894.80 : 324,153.18 = 127,462.10 : x
  2. Step 2: Convert to fraction form
    234,894.80/324,153.18 = 127,462.10/x
  3. Step 3: Cross multiply
    234,894.80x = 324,153.18 × 127,462.10
  4. Step 4: Simplify right side
    234,894.80x = 41,317,245,044.48
  5. Step 5: Solve for x
    x = 41,317,245,044.48/234,894.80
  6. Step 6: Final answer
    x = 175,896.81

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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.