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Finding the Fourth Proportional to 242,497.09, 363,745.59 and 74,018.26

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Solution

The fourth proportional to 242,497.09, 363,745.59 and 74,018.26 is: 111,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,497.09 : 363,745.59 = 74,018.26 : x
  2. Step 2: Convert to fraction form
    242,497.09/363,745.59 = 74,018.26/x
  3. Step 3: Cross multiply
    242,497.09x = 363,745.59 × 74,018.26
  4. Step 4: Simplify right side
    242,497.09x = 26,923,815,654.47
  5. Step 5: Solve for x
    x = 26,923,815,654.47/242,497.09
  6. Step 6: Final answer
    x = 111,027.38

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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.