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Finding the Fourth Proportional to 218,579.96, 327,870.54 and 60,808.56

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Solution

The fourth proportional to 218,579.96, 327,870.54 and 60,808.56 is: 91,213.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,579.96 : 327,870.54 = 60,808.56 : x
  2. Step 2: Convert to fraction form
    218,579.96/327,870.54 = 60,808.56/x
  3. Step 3: Cross multiply
    218,579.96x = 327,870.54 × 60,808.56
  4. Step 4: Simplify right side
    218,579.96x = 19,937,335,403.82
  5. Step 5: Solve for x
    x = 19,937,335,403.82/218,579.96
  6. Step 6: Final answer
    x = 91,213.01

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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.