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Finding the Fourth Proportional to 203,340.17, 304,710.51 and 113,258.81

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Solution

The fourth proportional to 203,340.17, 304,710.51 and 113,258.81 is: 169,721.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,340.17 : 304,710.51 = 113,258.81 : x
  2. Step 2: Convert to fraction form
    203,340.17/304,710.51 = 113,258.81/x
  3. Step 3: Cross multiply
    203,340.17x = 304,710.51 × 113,258.81
  4. Step 4: Simplify right side
    203,340.17x = 34,511,149,757.09
  5. Step 5: Solve for x
    x = 34,511,149,757.09/203,340.17
  6. Step 6: Final answer
    x = 169,721.26

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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.