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Finding the Fourth Proportional to 218,447.74, 327,669.72 and 60,675.94

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Solution

The fourth proportional to 218,447.74, 327,669.72 and 60,675.94 is: 91,013.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,447.74 : 327,669.72 = 60,675.94 : x
  2. Step 2: Convert to fraction form
    218,447.74/327,669.72 = 60,675.94/x
  3. Step 3: Cross multiply
    218,447.74x = 327,669.72 × 60,675.94
  4. Step 4: Simplify right side
    218,447.74x = 19,881,668,270.54
  5. Step 5: Solve for x
    x = 19,881,668,270.54/218,447.74
  6. Step 6: Final answer
    x = 91,013.39

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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.