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Finding the Fourth Proportional to 218,350.47, 327,525.86 and 60,579.07

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Solution

The fourth proportional to 218,350.47, 327,525.86 and 60,579.07 is: 90,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,350.47 : 327,525.86 = 60,579.07 : x
  2. Step 2: Convert to fraction form
    218,350.47/327,525.86 = 60,579.07/x
  3. Step 3: Cross multiply
    218,350.47x = 327,525.86 × 60,579.07
  4. Step 4: Simplify right side
    218,350.47x = 19,841,211,999.75
  5. Step 5: Solve for x
    x = 19,841,211,999.75/218,350.47
  6. Step 6: Final answer
    x = 90,868.65

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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.