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Finding the Fourth Proportional to 234,382.56, 351,521.20 and 107,901.60

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Solution

The fourth proportional to 234,382.56, 351,521.20 and 107,901.60 is: 161,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,382.56 : 351,521.20 = 107,901.60 : x
  2. Step 2: Convert to fraction form
    234,382.56/351,521.20 = 107,901.60/x
  3. Step 3: Cross multiply
    234,382.56x = 351,521.20 × 107,901.60
  4. Step 4: Simplify right side
    234,382.56x = 37,929,699,913.92
  5. Step 5: Solve for x
    x = 37,929,699,913.92/234,382.56
  6. Step 6: Final answer
    x = 161,828.17

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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.