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Finding the Fourth Proportional to 234,782.60, 323,991.23 and 127,349.06

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Solution

The fourth proportional to 234,782.60, 323,991.23 and 127,349.06 is: 175,736.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,782.60 : 323,991.23 = 127,349.06 : x
  2. Step 2: Convert to fraction form
    234,782.60/323,991.23 = 127,349.06/x
  3. Step 3: Cross multiply
    234,782.60x = 323,991.23 × 127,349.06
  4. Step 4: Simplify right side
    234,782.60x = 41,259,976,332.04
  5. Step 5: Solve for x
    x = 41,259,976,332.04/234,782.60
  6. Step 6: Final answer
    x = 175,736.95

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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.