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Finding the Fourth Proportional to 242,998.44, 335,336.82 and 135,568.56

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Solution

The fourth proportional to 242,998.44, 335,336.82 and 135,568.56 is: 187,084.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,998.44 : 335,336.82 = 135,568.56 : x
  2. Step 2: Convert to fraction form
    242,998.44/335,336.82 = 135,568.56/x
  3. Step 3: Cross multiply
    242,998.44x = 335,336.82 × 135,568.56
  4. Step 4: Simplify right side
    242,998.44x = 45,461,129,802.38
  5. Step 5: Solve for x
    x = 45,461,129,802.38/242,998.44
  6. Step 6: Final answer
    x = 187,084.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.