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Finding the Fourth Proportional to 220,800.16, 330,939.44 and 94,403.44

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Solution

The fourth proportional to 220,800.16, 330,939.44 and 94,403.44 is: 141,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,800.16 : 330,939.44 = 94,403.44 : x
  2. Step 2: Convert to fraction form
    220,800.16/330,939.44 = 94,403.44/x
  3. Step 3: Cross multiply
    220,800.16x = 330,939.44 × 94,403.44
  4. Step 4: Simplify right side
    220,800.16x = 31,241,821,567.67
  5. Step 5: Solve for x
    x = 31,241,821,567.67/220,800.16
  6. Step 6: Final answer
    x = 141,493.65

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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.