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Finding the Fourth Proportional to 202,440.60, 303,845.20 and 107,750.32

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Solution

The fourth proportional to 202,440.60, 303,845.20 and 107,750.32 is: 161,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,440.60 : 303,845.20 = 107,750.32 : x
  2. Step 2: Convert to fraction form
    202,440.60/303,845.20 = 107,750.32/x
  3. Step 3: Cross multiply
    202,440.60x = 303,845.20 × 107,750.32
  4. Step 4: Simplify right side
    202,440.60x = 32,739,417,530.46
  5. Step 5: Solve for x
    x = 32,739,417,530.46/202,440.60
  6. Step 6: Final answer
    x = 161,723.57

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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.