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Finding the Fourth Proportional to 220,440.54, 330,653.52 and 95,781.54

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Solution

The fourth proportional to 220,440.54, 330,653.52 and 95,781.54 is: 143,669.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,440.54 : 330,653.52 = 95,781.54 : x
  2. Step 2: Convert to fraction form
    220,440.54/330,653.52 = 95,781.54/x
  3. Step 3: Cross multiply
    220,440.54x = 330,653.52 × 95,781.54
  4. Step 4: Simplify right side
    220,440.54x = 31,670,503,352.02
  5. Step 5: Solve for x
    x = 31,670,503,352.02/220,440.54
  6. Step 6: Final answer
    x = 143,669.14

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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.