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Finding the Fourth Proportional to 234,207, 351,340.74 and 107,816.76

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Solution

The fourth proportional to 234,207, 351,340.74 and 107,816.76 is: 161,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,207 : 351,340.74 = 107,816.76 : x
  2. Step 2: Convert to fraction form
    234,207/351,340.74 = 107,816.76/x
  3. Step 3: Cross multiply
    234,207x = 351,340.74 × 107,816.76
  4. Step 4: Simplify right side
    234,207x = 37,880,420,242.80
  5. Step 5: Solve for x
    x = 37,880,420,242.80/234,207
  6. Step 6: Final answer
    x = 161,739.06

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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.