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Finding the Fourth Proportional to 242,712.56, 363,833.60 and 92,837.44

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Solution

The fourth proportional to 242,712.56, 363,833.60 and 92,837.44 is: 139,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,712.56 : 363,833.60 = 92,837.44 : x
  2. Step 2: Convert to fraction form
    242,712.56/363,833.60 = 92,837.44/x
  3. Step 3: Cross multiply
    242,712.56x = 363,833.60 × 92,837.44
  4. Step 4: Simplify right side
    242,712.56x = 33,777,380,009.98
  5. Step 5: Solve for x
    x = 33,777,380,009.98/242,712.56
  6. Step 6: Final answer
    x = 139,166.18

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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.