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Finding the Fourth Proportional to 242,394.92, 363,617.21 and 92,761.07

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Solution

The fourth proportional to 242,394.92, 363,617.21 and 92,761.07 is: 139,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,394.92 : 363,617.21 = 92,761.07 : x
  2. Step 2: Convert to fraction form
    242,394.92/363,617.21 = 92,761.07/x
  3. Step 3: Cross multiply
    242,394.92x = 363,617.21 × 92,761.07
  4. Step 4: Simplify right side
    242,394.92x = 33,729,519,883.83
  5. Step 5: Solve for x
    x = 33,729,519,883.83/242,394.92
  6. Step 6: Final answer
    x = 139,151.10

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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.