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Finding the Fourth Proportional to 242,796.56, 334,940.18 and 162,243.90

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Solution

The fourth proportional to 242,796.56, 334,940.18 and 162,243.90 is: 223,817.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,796.56 : 334,940.18 = 162,243.90 : x
  2. Step 2: Convert to fraction form
    242,796.56/334,940.18 = 162,243.90/x
  3. Step 3: Cross multiply
    242,796.56x = 334,940.18 × 162,243.90
  4. Step 4: Simplify right side
    242,796.56x = 54,342,000,258.68
  5. Step 5: Solve for x
    x = 54,342,000,258.68/242,796.56
  6. Step 6: Final answer
    x = 223,817.02

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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.