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Finding the Fourth Proportional to 242,654.44, 363,982.59 and 74,174.12

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Solution

The fourth proportional to 242,654.44, 363,982.59 and 74,174.12 is: 111,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,654.44 : 363,982.59 = 74,174.12 : x
  2. Step 2: Convert to fraction form
    242,654.44/363,982.59 = 74,174.12/x
  3. Step 3: Cross multiply
    242,654.44x = 363,982.59 × 74,174.12
  4. Step 4: Simplify right side
    242,654.44x = 26,998,088,308.57
  5. Step 5: Solve for x
    x = 26,998,088,308.57/242,654.44
  6. Step 6: Final answer
    x = 111,261.46

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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.