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Finding the Fourth Proportional to 218,424.84, 327,600.76 and 60,669.24

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Solution

The fourth proportional to 218,424.84, 327,600.76 and 60,669.24 is: 90,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,424.84 : 327,600.76 = 60,669.24 : x
  2. Step 2: Convert to fraction form
    218,424.84/327,600.76 = 60,669.24/x
  3. Step 3: Cross multiply
    218,424.84x = 327,600.76 × 60,669.24
  4. Step 4: Simplify right side
    218,424.84x = 19,875,289,132.62
  5. Step 5: Solve for x
    x = 19,875,289,132.62/218,424.84
  6. Step 6: Final answer
    x = 90,993.72

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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.