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Finding the Fourth Proportional to 220,558.66, 330,811.68 and 60,650.84

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Solution

The fourth proportional to 220,558.66, 330,811.68 and 60,650.84 is: 90,969.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,558.66 : 330,811.68 = 60,650.84 : x
  2. Step 2: Convert to fraction form
    220,558.66/330,811.68 = 60,650.84/x
  3. Step 3: Cross multiply
    220,558.66x = 330,811.68 × 60,650.84
  4. Step 4: Simplify right side
    220,558.66x = 20,064,006,273.81
  5. Step 5: Solve for x
    x = 20,064,006,273.81/220,558.66
  6. Step 6: Final answer
    x = 90,969.03

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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.