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Finding the Fourth Proportional to 218,473.34, 327,727.70 and 60,701.81

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Solution

The fourth proportional to 218,473.34, 327,727.70 and 60,701.81 is: 91,057.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,473.34 : 327,727.70 = 60,701.81 : x
  2. Step 2: Convert to fraction form
    218,473.34/327,727.70 = 60,701.81/x
  3. Step 3: Cross multiply
    218,473.34x = 327,727.70 × 60,701.81
  4. Step 4: Simplify right side
    218,473.34x = 19,893,664,273.63
  5. Step 5: Solve for x
    x = 19,893,664,273.63/218,473.34
  6. Step 6: Final answer
    x = 91,057.63

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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.