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Finding the Fourth Proportional to 220,551.75, 330,294.73 and 125,493.93

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Solution

The fourth proportional to 220,551.75, 330,294.73 and 125,493.93 is: 187,937.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,551.75 : 330,294.73 = 125,493.93 : x
  2. Step 2: Convert to fraction form
    220,551.75/330,294.73 = 125,493.93/x
  3. Step 3: Cross multiply
    220,551.75x = 330,294.73 × 125,493.93
  4. Step 4: Simplify right side
    220,551.75x = 41,449,983,725.99
  5. Step 5: Solve for x
    x = 41,449,983,725.99/220,551.75
  6. Step 6: Final answer
    x = 187,937.68

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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.