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Finding the Fourth Proportional to 218,594.63, 327,903.59 and 68,846.63

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Solution

The fourth proportional to 218,594.63, 327,903.59 and 68,846.63 is: 103,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,594.63 : 327,903.59 = 68,846.63 : x
  2. Step 2: Convert to fraction form
    218,594.63/327,903.59 = 68,846.63/x
  3. Step 3: Cross multiply
    218,594.63x = 327,903.59 × 68,846.63
  4. Step 4: Simplify right side
    218,594.63x = 22,575,055,669.00
  5. Step 5: Solve for x
    x = 22,575,055,669.00/218,594.63
  6. Step 6: Final answer
    x = 103,273.60

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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.