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Finding the Fourth Proportional to 234,012.64, 350,736.98 and 107,478.29

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Solution

The fourth proportional to 234,012.64, 350,736.98 and 107,478.29 is: 161,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,012.64 : 350,736.98 = 107,478.29 : x
  2. Step 2: Convert to fraction form
    234,012.64/350,736.98 = 107,478.29/x
  3. Step 3: Cross multiply
    234,012.64x = 350,736.98 × 107,478.29
  4. Step 4: Simplify right side
    234,012.64x = 37,696,608,559.09
  5. Step 5: Solve for x
    x = 37,696,608,559.09/234,012.64
  6. Step 6: Final answer
    x = 161,087.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.