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Finding the Fourth Proportional to 218,424.57, 327,636.99 and 60,653.04

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Solution

The fourth proportional to 218,424.57, 327,636.99 and 60,653.04 is: 90,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,424.57 : 327,636.99 = 60,653.04 : x
  2. Step 2: Convert to fraction form
    218,424.57/327,636.99 = 60,653.04/x
  3. Step 3: Cross multiply
    218,424.57x = 327,636.99 × 60,653.04
  4. Step 4: Simplify right side
    218,424.57x = 19,872,179,459.95
  5. Step 5: Solve for x
    x = 19,872,179,459.95/218,424.57
  6. Step 6: Final answer
    x = 90,979.60

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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.