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Finding the Fourth Proportional to 207,035.10, 310,618.26 and 73,912.41

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Solution

The fourth proportional to 207,035.10, 310,618.26 and 73,912.41 is: 110,892.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,035.10 : 310,618.26 = 73,912.41 : x
  2. Step 2: Convert to fraction form
    207,035.10/310,618.26 = 73,912.41/x
  3. Step 3: Cross multiply
    207,035.10x = 310,618.26 × 73,912.41
  4. Step 4: Simplify right side
    207,035.10x = 22,958,544,186.61
  5. Step 5: Solve for x
    x = 22,958,544,186.61/207,035.10
  6. Step 6: Final answer
    x = 110,892.04

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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.