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Finding the Fourth Proportional to 234,990.66, 324,287.29 and 127,560.66

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Solution

The fourth proportional to 234,990.66, 324,287.29 and 127,560.66 is: 176,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,990.66 : 324,287.29 = 127,560.66 : x
  2. Step 2: Convert to fraction form
    234,990.66/324,287.29 = 127,560.66/x
  3. Step 3: Cross multiply
    234,990.66x = 324,287.29 × 127,560.66
  4. Step 4: Simplify right side
    234,990.66x = 41,366,300,742.01
  5. Step 5: Solve for x
    x = 41,366,300,742.01/234,990.66
  6. Step 6: Final answer
    x = 176,033.81

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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.