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Finding the Fourth Proportional to 234,481.71, 323,583.76 and 127,052.17

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Solution

The fourth proportional to 234,481.71, 323,583.76 and 127,052.17 is: 175,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,481.71 : 323,583.76 = 127,052.17 : x
  2. Step 2: Convert to fraction form
    234,481.71/323,583.76 = 127,052.17/x
  3. Step 3: Cross multiply
    234,481.71x = 323,583.76 × 127,052.17
  4. Step 4: Simplify right side
    234,481.71x = 41,112,018,884.76
  5. Step 5: Solve for x
    x = 41,112,018,884.76/234,481.71
  6. Step 6: Final answer
    x = 175,331.45

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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.