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Finding the Fourth Proportional to 242,190.96, 363,338.73 and 73,724.46

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Solution

The fourth proportional to 242,190.96, 363,338.73 and 73,724.46 is: 110,602.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,190.96 : 363,338.73 = 73,724.46 : x
  2. Step 2: Convert to fraction form
    242,190.96/363,338.73 = 73,724.46/x
  3. Step 3: Cross multiply
    242,190.96x = 363,338.73 × 73,724.46
  4. Step 4: Simplify right side
    242,190.96x = 26,786,951,666.34
  5. Step 5: Solve for x
    x = 26,786,951,666.34/242,190.96
  6. Step 6: Final answer
    x = 110,602.61

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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.