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Finding the Fourth Proportional to 218,323.49, 327,485.19 and 60,551.96

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Solution

The fourth proportional to 218,323.49, 327,485.19 and 60,551.96 is: 90,827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,323.49 : 327,485.19 = 60,551.96 : x
  2. Step 2: Convert to fraction form
    218,323.49/327,485.19 = 60,551.96/x
  3. Step 3: Cross multiply
    218,323.49x = 327,485.19 × 60,551.96
  4. Step 4: Simplify right side
    218,323.49x = 19,829,868,715.12
  5. Step 5: Solve for x
    x = 19,829,868,715.12/218,323.49
  6. Step 6: Final answer
    x = 90,827.92

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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.