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Finding the Fourth Proportional to 218,039.74, 327,056.37 and 60,264.70

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Solution

The fourth proportional to 218,039.74, 327,056.37 and 60,264.70 is: 90,396.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,039.74 : 327,056.37 = 60,264.70 : x
  2. Step 2: Convert to fraction form
    218,039.74/327,056.37 = 60,264.70/x
  3. Step 3: Cross multiply
    218,039.74x = 327,056.37 × 60,264.70
  4. Step 4: Simplify right side
    218,039.74x = 19,709,954,021.14
  5. Step 5: Solve for x
    x = 19,709,954,021.14/218,039.74
  6. Step 6: Final answer
    x = 90,396.15

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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.