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Finding the Fourth Proportional to 203,176.82, 304,785.28 and 70,039.56

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Solution

The fourth proportional to 203,176.82, 304,785.28 and 70,039.56 is: 105,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,176.82 : 304,785.28 = 70,039.56 : x
  2. Step 2: Convert to fraction form
    203,176.82/304,785.28 = 70,039.56/x
  3. Step 3: Cross multiply
    203,176.82x = 304,785.28 × 70,039.56
  4. Step 4: Simplify right side
    203,176.82x = 21,347,026,905.68
  5. Step 5: Solve for x
    x = 21,347,026,905.68/203,176.82
  6. Step 6: Final answer
    x = 105,066.25

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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.