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Finding the Fourth Proportional to 234,659.84, 351,148.87 and 203,178.48

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Solution

The fourth proportional to 234,659.84, 351,148.87 and 203,178.48 is: 304,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,659.84 : 351,148.87 = 203,178.48 : x
  2. Step 2: Convert to fraction form
    234,659.84/351,148.87 = 203,178.48/x
  3. Step 3: Cross multiply
    234,659.84x = 351,148.87 × 203,178.48
  4. Step 4: Simplify right side
    234,659.84x = 71,345,892,597.48
  5. Step 5: Solve for x
    x = 71,345,892,597.48/234,659.84
  6. Step 6: Final answer
    x = 304,039.64

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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.